BUILT TO CONNECT Revealing Astec's new look and business model - Sripath Technologies
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AUGUST 2021
BUILT TO
CONNECT
Revealing Astec’s new
look and business model
CLOSING THE LOOP
Following the progress on
Melbourne’s North East Link
Official media partners of ROAD SAFETY IN FOCUS
Industry experts on how
to enhance road safety
AUSTRALIA’S ONLY SPECIALIST ROAD MANAGEMENT, CONSTRUCTION AND CIVIL WORKS MAGAZINE
SRIPATH ON PATH TO
BITUMEN
Sripath’s products are used to
enhance the performance of bitumen
for paving and roofing applications.
ENHANCEMENT
WITH DEMAND FOR MODIFIED BITUMEN INCREASING WORLDWIDE, SRIPATH
TECHNOLOGIES IS ENSURING BITUMEN MANUFACTURERS AND CONTRACTORS HAVE
ACCESS TO QUALITY ADDITIVES TO ENHANCE BITUMEN PERFORMANCE.
T
he global market for polymer to better serve the Australian and New paving binder. PGXpand is also an efficient
modified bitumen (PMB) is projected Zealand bitumen and asphalt markets. Roads workability and compaction aid in paving
to witness significant growth in & Infrastructure caught up with Sripath’s formulations, particularly in those stiffer
the coming years. This, as a recent global management team to find out more about mixes incorporating high amounts of
polymer bitumen market outlook by research what the company has on offer. recycled asphalt pavement (RAP),” Krishna
firm Goldstein Market Intelligence suggests, Srinivasan, President, Sripath USA, explains.
is mainly due to the enhanced characteristics EXPANDING THE TEMPERATURE RANGE More importantly, Srinivasan says, PGXpand
of such bitumen, including extra strength, PGXpand is one of the most globally sought- is dosage-efficient and consumes minimal
high cohesiveness, and resistance to fatigue, after products in Sripath’s paving portfolio, energy during production.
deformations, and stripping.1 according to Ravi Rajagopalan, General “Dosage efficacy is a big advantage with
Addition of polymer or crumb rubber to Manager of Sripath Asia-Pac. PGXpand that our global customers greatly
bitumen has shown to improve resistance “PGXpand was developed as an easy appreciate. For a project in Andhra Pradesh,
to temperature variations, weather, and high to make, easy to use and easy to handle India, which experiences high summer
traffic loads, while reducing maintenance modifier for bitumen,” he says. temperatures of 40-42 °C, PGXpand was
costs and offering excellent driving comfort. “The role and benefits of polymers in selected primarily for its dosage-efficiency.
The ‘Asia Pacific Bitumen Market Forecasts bitumen is clearly demonstrated. However, In addition, rigorous testing showed that
2027’ report by Graphical Research suggests customers using the conventional polymers PGXpand also provided very good rutting
the market for PMB in the Asia Pacific region available in the market often struggle with resistance and a high softening point,” says
is likely to grow remarkably through to issues such as easy dispersion of the polymer Srinivasan.
2027, driven mainly by higher demand from in the bitumen, the stability of the PMB and “The time to manufacture a mix with
countries such as China, India, and Indonesia.2 the difficulty in laying down such a high PGXpand are also vastly lower than when
With that growth comes demand for viscosity mix.” using alternate polymer technologies.
quality bitumen additives, including To help overcome those practical PGXpand can be incorporated into a
rejuvenators, polymers and oils that help challenges, the team at Sripath investigated mix at significantly lower temperatures
enhance the properties of native asphalts. the base chemistry and characteristics of production, which leads to increased
Sripath Technologies has been actively of the bitumen and set out to engineer energy efficiency in dispersing polymer into
developing such products, investing heavily an innovative polymer which is easier bitumen.”
in research and development for innovative to disperse into the bitumen for the While that’s beneficial for the manufacturer,
solution-oriented bitumen additives. manufacturers and to lay down for the the end-user is also benefited.
Established since 2006 in New Jersey, US, contractors. Out of that research, PGXpand “From the end-users’ point of view,
Sripath’s products are used by customers was born. the viscosity of bitumen modified with
in North America, Asia, Europe and South “The key in developing PGXpand was PGXpand is significantly lower than that of
America to enhance the performance of to develop a user-friendly PMB additive conventional bitumen mixes. That helps with
bitumen for paving and roofing applications. that increased the high temperature easy lay down, easy compaction and long-
The company has recently launched stiffness of bitumen, while maintaining term storage stability of PMB,” says Deepak
Sripath Asia-Pac with an office in Melbourne the low-temperature performance of the Madan, Chief Marketing Officer of Sripath.
32 ROADS AUGUST 2021
ASPHALT NEWS
A WELL-BALANCED SOLUTION “ReNUBIT was remarkably successful There are also changes occurring in bitumen
ReNUBIT is another highly popular in the oil additive segment for bitumen supply patterns and quality worldwide
product in the Sripath paving portfolio modification, so we set about thinking what that are increasing demand for additives
and among the first products the company the next-generation oil for the marketplace like NuMIXER. These changes have created
developed. The key here, Rajagopalan could be. We learned a lot from our a tailwind that we were able to capitalize
says, was to develop a proprietary blend experience of developing bio-oil bitumen upon resulting in many success stories,” says
of petrochemical oils which enable easy rejuvenators, so we used the findings to Digital Marketing Director, Kate Brough.
dispersion of polymers and crumb rubber create a green, sustainable, non-bituminous With an eye for problem-solving, Sripath
in bitumen, while improving the low oil that would serve the same segment,” says Asia-Pac is already engaging with universities
temperature properties of bitumen, including Rajagopalan. Out of this thinking, NuMIXER in Australia to identify the gaps in the
cold adhesion, cold bend, cracking and flex was born, giving Sripath customers an option market to ensure that Sripath products meet
properties. to choose between two types of oils. local compliance requirements utilising
“With ReNUBIT, we set out to engineer “NuMIXER is very effective in aiding materials available locally.
an oil that was broadly compatible with polymers and crumb rubber to be Madan says the team has already received
a wide range of bitumen products and compatible with bitumen, while improving a warm welcome from major industry
made dispersion of polymers and crumb low temperature cracking, fatigue and failure players. “We are looking to repeat our
rubber in bitumen easy. We also wanted to and adhesion properties of bitumen. This success stories from the European, Asian
develop something that helped improve is particularly useful in more demanding and North American markets. We are ready
the low temperature cracking, fatigue, and applications. It also helps lower the viscosity to bring our innovative product portfolio to
failure properties of bitumen. ReNUBIT is of the base bitumen,” says Srinivasan. Australia,” he says.
a well-balanced bitumen additive that also “Add to that the fact that NuMIXER “We are used to identifying pain points
functions as an effective cutter in bitumen,” is a ‘green’ product with sustainable and then finding the solutions for them. This
he explains. chemistry and better dosage efficiency than is our core strength, as our product history
From the early days of being launched petrochemical oils. It’s also a product with clearly shows. Our team of industry veterans
in the market, Madan says ReNUBIT was zero volatile organic compounds (VOCs), so have a strong track-record for delivering
well-received in both the paving and roofing it’s completely worker friendly. Moreover, top-notch technical support, and we stand
communities in North America. NuMIXER is effective in bitumens used behind our products, 100 per cent of the
“ReNUBIT is easily our best-selling product world-wide,” says Madan. time,” says Rajagopalan.
tonnage-wise,” he says, noting that ReNUBIT’s “Despite a small premium, NuMIXER is
popularity owes to its high compatibility more dosage efficient, has a lower carbon References:
with a wide range of bitumens. footprint, and delivers overall cost-savings 1
Global Bitumen Market Outlook 2017-2030,
compared to petrochemical oils. It is not Goldstein Market Intelligence
A ‘GREEN’ OPTION surprising that NuMIXER has been well 2
Bitumen Market Size and Share 2021-2027,
Sripath also offers NuMIXER, an innovative received in various markets around the Graphical Research
green bio-oil that, in addition to providing world,” says Rajagopalan.
many of the same benefits as ReNUBIT, “The larger users in the market are * All of Sripath Technologies’ product names
delivers greater dosage efficiency and ease migrating towards bio-oils and they prefer are trademark registered and properties of
of use. such products over petrochemical oils. Sripath Technologies.
Sripath products meet local compliance
requirements utilising materials available locally.
roadsonline.com.au 33
Innovative. Impactful. Cost Effective.
Tested. Proven. Trusted.
PGXpand® Polymer Additive.
Increases high temperature grade and rutting resistance.
ReNUBIT® Special blend of petrochemical oils.
Improves polymer compatibility and low temperature performance of bitumen.
NuMIXER® Specially formulated blend of bio-based oils.
Improves polymer compatibility and low temperature performance of bitumen.
ReLIXER® Proprietary blend of bio-based oils.
Rejuvenates bitumen in mixes with high levels of Reclaimed Asphalt Pavement (RAP).
SriCote™ Dosage-efficient amine-free anti-stripping agent.
Improves moisture and fuel resistance of roadway.
Now Available in Australia and New Zealand.
Based in the United States, we have delivered innovative products around the globe since 2006.
We are passionate about problem solving and offering solutions to your asphalt challenges.
We now bring our unrivalled customer service and technical support to Asia-Pacific region.
We are proud to introduce:
Contact our Sripath Asia-Pac team at info@sripathapc.com or 1800 191 799
Learn more about our products at sripath.comYou can also read
