Facts About Fabric Flammability

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Facts About Fabric
      Flammability
         North Central Regional
         Extension Publication 174
         Revised July 2003
Have you ever known someone             of unsafe products, but cannot
       Facts   burned when their clothes caught        guarantee your safety. This publica-
About Fabric   fire? Did you want to blame someone
               else when it happened? Do you
                                                       tion will review facts about fabric
                                                       flammability that everyone needs to
Flammability   know how the fire started? What do      know to avoid the costly and terrible
               you know about fabric flammability?     consequences of a clothing fire.
               If you have had no experience with
               clothing fires and burn injury, you     Fact 1: Most clothing and
               may be surprised to learn how fast      household textiles will burn.
               your clothes can burn if set on fire.   To burn, clothing must be ignited
                                                       from some heat or flame source. You
               Clothing fires must be avoided          don’t need a flame, only heat to start
               because burn injuries are often         a clothing fire. When common
               severe, disfiguring, and can cause      apparel and household furnishing
               death. Such tragedies do not have to    textiles get hot enough they will burn
               happen. However, you must take          and give off toxic smoke. For ex-
               responsibility for your own personal    ample, if you leave a hot iron on a
               safety by learning the facts. The       cotton shirt too long, the heat will
               Consumer Product Safety Commis-         scorch the shirt and can start a fire.
               sion (CPSC) is the governmental
               agency that administers the laws and
               standards that apply to fabric flam-
                                                       Fact 2: Clothing fires are
               mability. It issues many educational    started by common
               news releases, warnings, and recalls    household ignition sources.
                                                       Clothing fires are often started by
                                                       items commonly found and used
                                                       around the house for heat or light.
                                                       The majority of fires resulting in child
                                                       fire injuries and deaths are started by
                                                       children playing with fire in a bed-
                                                       room with matches or lighters when
                                                       fabric or paper ignites (1).

                                                       To reduce chances of clothing fires:
                                                       Store all items likely to tempt small
                                                       children safely out of reach. This
                                                       includes…
                                                          • candles
                                                          • matches
                                                          • cigarettes and cigars
                                                          • cigarette lighters
                                                          • flammable liquids such as paint
                                                            thinner, gasoline, charcoal lighter
Use space heaters and fireplaces         Fact 3: Clothing fires can                  the person’s chance of surviving a
safely. Before nap or bedtime,           cause burn injury and death.                residential fire.
extinguish or turn off…                  The exact number of clothing fires
  • cigarettes and cigars                that happen while a person is wear-         Fact 4: Clothing and
  • candles                              ing the clothing in the U.S. is unavail-    household textile labels
  • fireplace embers                     able because of the way data are
  • space heaters
                                                                                     show if a fabric is flame
                                         collected. The National Electronic          resistant.
  • kitchen ranges                       Injury Surveillance System (NEISS)
Never reach into a fire or across an                                                 By looking at a fabric you cannot
                                         compiles consumer product injury            judge if it is flame resistant or flame
open flame because your sleeve           data based on reports from emer-
might catch fire. For example…                                                       retardant, so you must look for a
                                         gency rooms and health care facili-         label. If there is no label claiming
  • candles                              ties. NEISS estimated that nation-
  • gas flames or hot coils of kitchen                                               flame resistance, you must assume
                                         wide 196,233 injuries (including            the textile will burn rapidly.
     ranges                              11,115 deaths) were associated with
  • barbecue grills                      clothing in 2001, with 69.7 the rate
  • wood burning stoves                                                              Be sure you understand the terms
                                         per 100,000 population (1). How-            used on clothing labels and other
  • fireplaces                           ever, not all of these are from cloth-
  • camp fires                                                                       products.
                                         ing fires because cases of entangle-
                                         ment, suffocation, strangling, etc. are     If it says           It means
                                         counted in these totals.
                                                                                     Flammable            These three
                                                                                     Inflammable          words mean the
                                         Nevertheless, when clothing catches
                                                                                     Combustible          textile will burn
                                         fire, the burn injuries are often severe
                                                                                                          readily.
                                         and may cause death. An example
                                         reported by the Consumer Product
                                                                                     Fireproof            These three terms
                                         Safety Commission (CPSC) is the
                                                                                     Non-combustible      mean the textile
                                         case of a 69-year-old man whose
                                                                                     Non-flammable        will not burn.
                                         robe sleeve caught fire as he re-
                                         moved toast from an electric toaster.
                                                                                     Fire resistant       These four terms
                                         The terry-cloth robe burned quickly,
                                                                                     Fire retardant       mean the textile
                                         also burning the man. Although the
                                                                                     Flame resistant      will be slow to
                                         fire was extinguished, the man died
                                                                                     Flame retardant      ignite, may burn
                                         four days later. (2) According to the
                                                                                                          more slowly, may
                                         CPSC, “a significant number” of
                                                                                                          self-extinguish
                                         clothing fires occur with people over
                                                                                                          when the heat
                                         age 65.
                                                                                                          source is removed.
                                         The U.S. Fire Administration points
                                         out that 80 percent of fire deaths          Fact 5: The way a fabric
                                         occur in residences and that these          burns depends partly on its
                                         residential fires most often start in       fiber content.
                                         the kitchen. People over 65 and             Natural cellulosic fibers (cotton,
                                         children under 5 have the highest           linen), manufactured cellulosic fibers
                                         risk of fire death in these fires but the   (acetate, lyocell, and rayon), and
                                         number of these involving a clothing        synthetic fibers (acrylic, nylon,
                                         fire was not indicated (3). Working         lastol,olefin, polyester, and spandex)
                                         smoke alarms dramatically increase          can burn quickly when ignited, but
they behave somewhat differently as         describes typical burning characteris-   Fact 6: The way a fabric is
they burn. Generally cellulosics burn       tics of fibers, ranking them from the    made (knit, weave, lace, etc.)
with a yellow flame, light smoke, and       most to least hazardous. No flame
have glowing embers—like a fire-            proof fibers are used in ordinary
                                                                                     affects how it burns.
place log, only much faster. Synthet-       wearing apparel.                         Heavy close structures ignite with
ics may catch fire quickly or shrink                                                 difficulty and burn more slowly than
from the flame initially, but ultimately,   Fabrics that are a blend of two or       light, thin, or open fabrics. In gen-
they will sputter, flame, and melt to       more fibers do not burn in the same      eral, summer weight clothing is more
the skin or the flaming melt will drop      way as either fiber. Sometimes,          likely to catch fire than winter weight
to the floor. Wool and silk are protein     blends are more dangerous than           fabrics. However, heavy weight
fibers and are difficult to ignite. They    either fiber. For example, fabrics of    fabrics burn longer when ignited,
may self-extinguish, but this varies        50 percent cotton and 50 percent         because there is more flammable
depending on the closeness of the           polyester tend to burn longer than a     material present.
weave or knit (fabric density) and          similar fabric of either cotton or
other finish treatments. Table 1            polyester.                               Fabrics with more of the fiber surface
                                                                                     area exposed to air have more
                                                                                     oxygen available to support burning
                                                                                     and therefore burn more easily.
                                                                                     Thus, thin, gauzy fabrics, lace, or
Table 1: Burning Characteristics of Fibers                                           brushed fabrics can be very flam-
                                                                                     mable. Also, fabrics with a napped
             cotton/linen  Burns with a hot, vigorous flame, light colored           or brushed surface of fine fibers can
                           smoke, and leaves red glowing ember after                 catch fire easily because of the
                           flaming stops. Does not melt or draw away from            greater amount of fiber surface
                           the flames.                                               exposed to oxygen in the air.
  less
  safe     rayon/lyocell   Burns similarly to cotton and linen, except that it
                           may shrink up and become tighter to the body.             Fact 7: Close-fitting clothes
                 acetate   Burns with a rapid flame and melts when burning.          are less likely to catch fire
                           May melt and pull away from small flames without
                           igniting. Melted area may drip off the clothing
                                                                                     than loose-fitting ones.
                                                                                     Since clothing must come into
                           carrying flames with it. When flames have died
                                                                                     contact with an ignition source to
                           out, the residue is a hot, molten plastic and is
                                                                                     catch fire, keeping a safe distance
                           difficult to remove from any surface.
                                                                                     from heat and flame sources helps to
                 acrylic   Burns similarly to acetate, except that it burns with
                                                                                     prevent fires, especially if your
                           a very heavy, dense, black smoke. It drips exces-
                                                                                     clothes move with you.
                           sively.
                  nylon,   Burns slowly and melts when burning. May melt
                                                                                     Clothes that fit closer to the body are
                  lastol,  and pull away from small flames without igniting.
                                                                                     less likely to stray (or get blown) into
                  olefin,  Melted area may drip off clothing carrying flames
                                                                                     a flame source accidentally than
              polyester,   with it but not to the extent of acetate and acrylic.
                                                                                     clothes with loose, flowing design.
           and spandex     Residue is molten and hot and difficult to remove.
                                                                                     For example, clothes designed with
                           May self-extinguish.
                                                                                     fullness, frills, ruffles, fringe, or
           wool and silk   Burns slowly and is difficult to ignite (especially in
                                                                                     trailing ties that extend from the body
                           winter garments). May self-extinguish.
 more                                                                                are more apt to catch fire than those
             modacrylic    Burns very slowly with melting. May melt and
 safe                                                                                without these features.
              and saran    pull away from small flames without igniting. Self-
                           extinguishes.
                                                                                     Long sleeves can easily be set on
         aramid, novoloid, Chars, does not burn.
                                                                                     fire as you reach across a gas flame
             and vinyon
                                                                                     or electric coil on a kitchen range.
Loose fitting or maternity tops can be     Fact 9: Most flame resistant                The Flammable Fabrics Act of
set on fire at the hem as a person         fabrics do not have chemical                1953 and its amendments were
reaches above a range to get some-                                                     passed to assure a measure of
thing from a cupboard.
                                           finishes.                                   consumer safety with regard to fabric
                                           When FR fabrics were first offered to       fires, but these standards do not
Clothes that have quick-release            consumers, some were created by             mean that clothing will not burn (4).
features (for example with snap front      adding special finishes to the fabric—      Flammability tests are destructive
closures) so they can be pulled off        like putting frosting on a cake.            tests, i.e. the samples are burned
immediately if ignited, are desirable.     Today’s FR fabrics used in children’s       and afterward are no longer useable,
This increases the chance that the         sleepwear are not made that way.            so appropriate sampling of manufac-
garment can be removed before              Usually the molecule of the fiber itself    tured goods is important. The Flam-
serious burn injury occurs if the          is altered to provide flame resistance.     mable Fabrics Act and all related
garment catches fire.                      You could say the recipe for the cake       standards listed below are currently
                                           was changed, because the FR fibers          under the jurisdiction of the Con-
                                           now have a different molecular              sumer Product Safety Commission.
Fact 8: Flame resistant                    structure than regular fibers of the
fabrics burn slowly.                       same type or generic class. Two
Flame resistant or flame retardant                                                     • Part 1610–Standard for flamma-
                                           polyesters that look and feel the             bility of clothing textiles, pro-
(FR) fabrics are those that ignite with    same may have very different
difficulty, burn slowly when set on                                                      vides for testing flammability of
                                           burning characteristics as a result. If       clothing and textiles and estab-
fire, and go out or self-extinguish        a garment is not labeled flame
when the source of flame is removed.                                                     lishes three classes for textiles:
                                           resistant, you must assume it is not.         Class 1 “normal flammability”—for
Because of this, flame resistant
fabrics allow more time to remove                                                        fabrics “generally accepted in the
                                           FR cotton uniforms and work clothing          trade as having no unusual burning
clothes or put out the fire. This little   must have chemical finishes applied
margin of safety can make a big                                                          characteristics,” Class 2, applicable
                                           because the cotton fiber in its natural       only to fabrics with raised fiber
difference in the degree and extent of     state will burn.
burn injury.                                                                             surfaces that may be used in
                                                                                         clothing with “intermediate flamma-
                                           Fact 10: U.S. governmental                    bility” or burning characteristics
Flame resistant fabrics do not protect
you in a burning building or if you
                                           flammability laws and rules                   between “normal and rapid and
reach into a burning stove or an           govern wearing apparel, but                   intense burning” and Class 3,
oven. Firefighters have specially          do not mean that clothes will                 which includes textiles that are
designed clothing that withstands                                                        “considered dangerously flam-
                                           not burn.                                     mable and recognized by the trade
very high heat for very limited
amounts of time; they also have                                                          as being unsuitable for clothing
                                           No flammability standard for fabrics          because of their rapid and intense
special masks and breathing appara-        used in everyday apparel makes
tus to prevent smoke inhalation. This                                                    burning.” (4, p. 602-3). Fabrics or
                                           anyone safe from burn injury in a             garments in Class 3 may not be
level of protection is not offered by      burning house or building. However,
flame resistant clothing found in                                                        used in clothing (4, p. 618).
                                           the various flammability laws and
some work uniforms and other               standards give individuals a little
apparel such as children’s sleepwear.                                                  • Part 1615–Standard for the
                                           extra time to take action to limit a fire     flammability of children’s
Some people think flame resistant          in clothes being worn, carpets and
clothing is more protective than it                                                      sleepwear, sizes 0 to 6X
                                           rugs, or mattresses. These laws,              (FF 3-71) applies to children’s
really is. FR apparel can only             regulations, and their interpretation
provide a small margin of safety—                                                        pajamas, nightgowns, or similar
                                           can be found in Part 1602-1632 of             related items such as robes,
perhaps enough time to let you             the Code of Federal Regulations (4).
remove the clothes or smother the                                                        intended for sleeping. It exempts
fire.                                                                                    underwear or diapers, infant
garments (size 9 months and             Children’s sleepwear is the only
 smaller), or specified “tight-fitting   wearing apparel that is covered by a
 garments” as defined by dimen-          special standard and requires a more
 sions for each size that are labeled    rigorous flammability test. However,
 in accordance with the standard.        it is known that incidence of burn
 Such a label might state:               injury is also high among the elderly,
                                         especially those who lack agility to
 “WEAR SNUG FITTING. NOT                 remove themselves from flame sources.
 FLAME RESISTANT” or
                                         Fact 11: Maintaining flame
 “FOR CHILD’S SAFETY GAR-                resistant properties in
 MENT SHOULD FIT SNUGLY.
 THIS GARMENT IS NOT FLAME
                                         children’s sleepwear
 RESISTANT.”                             requires following care label
                                         instructions.
 “LOOSE-FITTING GARMENT IS               Childrens’ sleepwear must have a
 MORE LIKELY TO CATCH FIRE.”             care label as other wearing apparel
                                         does. This label may give particular
 Fabrics, trims, seams, and closures     warnings about avoiding use of
 for children’s sleepwear must pass      laundering products that would alter
 a more rigorous flammability test       flame resistant characteristics. Fabric
 than the test used for general          softeners in liquid form have been
 wearing apparel and their flame         shown to increase the speed in which
 resistance must be durable for up       certain fabrics burn because the
 to 50 launderings. Manufacturers        coating itself is flammable. Dryer
 must label this sleepwear or its        drying may make fuzzy fabrics more
 packaging with precautionary            fluffy, adding to their likelihood of
 instructions so that consumers will     catching fire (5). Carbonate-based
 not use laundering treatments           detergents also can deposit on fibers
 known to reduce their flame             making fabrics more flammable (6).
 resistance. (See 4, 630-638.)
                                         Fact 12: Flammability
Sometimes fabric softeners or            standards exist for carpets,
carbonate-based detergents used in       rugs, and mattresses, but
normal home laundering can build up
                                         other home furnishings do
on fibers making a normally flame
resistant fabric more flammable.         not have special standards.
Therefore, the labels about care of      Textiles in many home furnishings
flame resistant clothing should be       products, such as bedding, drapery,
followed carefully.                      and upholstery, are not covered by
                                         special flammability standards, but
                                         carpets, rugs, and mattresses are (4).
• Part 1616–Standard for the
  flammability of children’s
                                         In the 1970s, governmental rules
  sleepwear: Sizes 7 through 14
                                         were adopted to require that carpets,
  (FF 5-74) applies to pajamas,
                                         rugs, and mattresses pass pre-
  nightgowns, and other sleeping
                                         scribed flammability tests to help
  apparel for children in this size
                                         reduce the burn injury, death, and
  range and the same test require-
                                         destruction caused by fires in the
  ments must be met as in Part 1615
                                         home. These standards remain in
  on previous page.
                                         effect.
                                         .
• Part 1630–Standard for the               • If your clothes are quick release,       (3) U.S. Department of Homeland
  surface flammability of carpets            strip them off your body––better to      Security, Federal Emergency Man-
  and rugs (FF 1-70) applies to all          be bare than burned.                     agement Agency, Fire Administration,
  types of carpets and rugs used as        • STOP, DROP, and ROLL if clothes          Facts on Fire, March 6, 2003 Re-
  floor covering, regardless of their        are not quick release. This will         trieved from http//
  fiber content or fabrication method.       tend to smother the fire. Your first     www.usfa.fema.gov/public/facts.cfm
  This standard was enacted be-              impulse may be to run to move            May 1, 2003.
  cause of concern that flames from          away from the fire source, but if        (4) Consumer Product Safety Com-
  a spark or small ignition source           your clothing is on fire running will    mission, Code of Federal Regula-
  falling on carpet might start a fire       just fan the flames and make it          tions, Commercial Practices 16 Part
  that would spread to drapery and           worse.                                   1602-1632. Subchapter D––Flam-
  interior furnishings to start building   • Call 911. Report your location clearly   mable Fabrics Act Regulations,
  or home fires. The test method for         and wait for emergency personnel.        Revised as of January 1, 2002.
  this flammability standard uses a          If your area of burn injury is small,    (5) Consumer Reports, Fabric
  match to set a specified tablet of         it may be quicker to go to your          softeners and flammability, Vol. 65,
  methenamine on fire in the center          closest emergency room.                  No. 8, August, 2000.
  of a carpet specimen held by a           • If you see someone else with             (6) Consumer Product Safety Com-
  steel frame. The carpet passes the         clothes on fire––and you are not in      mission, Your Home Fire Safety
  test if the flame does not spread          a burning building or room––have         Checklist, CPSC Document #556
  more than three inches in any              them stop and lie down, then throw       Retrieved from http://cpsc.gov/
  direction defined by a steel ring.         a wool blanket or coat over the fire     cpscpub/pubs/556.html May 15,
  One of a kind antique, Oriental, or        to smother it.                           2003.
  hides (skins) may be excluded from       • Seconds of inaction give the
  testing (4, p. 696-714).                   clothing fire a greater chance to
                                             cause severe pain and injury.            Prepared by Jan Stone, extension
• Part 1631–Standard for the               • Wait for firefighters with appropri-     textiles and clothing specialist, and Sara
  surface flammability of small              ate protective gear to rescue            Kadolph, professor, textile and clothing
  carpets and rugs (FF 1-70)                 persons in burning buildings.            department, Iowa State University.
  applies to rugs less than 24 sq. ft.
                                                                                      No endorsement of companies or their
  in size and/or not longer than 6         If you regularly take care of children,    products mentioned is intended, nor is
  feet. These are tested as above.         remember that they are naturally           criticism implied of similar companies or
                                           curious about fire. Adults must            their products not mentioned.
• Part 1632–Standard for the               provide a safe living and learning
  flammability of mattresses and           environment for them. This includes
  mattress pads (FF 4-71,                  providing adequate supervision so
  Amended) was enacted because of          they do not have a chance to play
  the frequency of cigarette ignition      with fire.                                 File: T&C 7
  of mattresses because people
                                                                                      Issued in furtherance of Cooperative Extension work,
  persist in smoking in bed. It            References:                                Acts of May 8 and June 30, 1914, in cooperation with
  excludes sleeping bags, pillows,         (1) Federal Emergency Management           the U.S. Department of Agriculture. Stanley R.
                                                                                      Johnson, director, Cooperative Extension Service,
  mattress foundations and water           Agency, U. S. Fire Administration,         Iowa State University of Science and Technology,
  beds, love seats, sofas, sofa-beds,      Children and Fire in the United            Ames, Iowa.
  etc. (4, p. 715-733).                    States: 1994-1997. Retrieved from           . . and justice for all
                                           http://www.usfa.fema.gov/downloads/        The U.S. Department of Agriculture (USDA) prohibits
WHAT TO DO IF YOUR CLOTHES                 pdf/children.pdf May 1, 2003.              discrimination in all its programs and activities on the
                                                                                      basis of race, color, national origin, gender, religion,
CATCH FIRE:                                (2) U.S. Consumer Product Safety           age, disability, political beliefs, sexual orientation, and
Your actions in the first few seconds      Commission, U.S. Consumer Product          marital or family status. (Not all prohibited bases
                                                                                      apply to all programs.) Many materials can be made
of a clothing fire––if a sleeve or hem     Safety Review, Fall 2002, Vol. 7,          available in alternative formats for ADA clients. To file
catches fire–– make a big difference       No. 2.                                     a complaint of discrimination, write USDA, Office of
                                                                                      Civil Rights, Room 326-W, Whitten Building, 14th and
in the extent of injury that you might                                                Independence Avenue, SW, Washington, DC 20250-
have.                                                                                 9410 or call 202-720-5964.
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