Growth areas for global TPE market

thermoplastic elastomers

For tire recyclers, good news is coming from TPE market. The article by European Rubber Journal highlights particular growth opportunities in thermoplastic elastomers – the field which bears a very high potential for recycled rubber powder use.

Robert Eller, a TPE market analyst from Ohio, claims there is a global competition on the market now. “Some TPEs are viewed as commodities, and their growth is slowing. “Because of price pressure and overcapacity, the structure for those TPEs is shifting” he added. “There’s saturation in some market sectors.”

President of Robert Eller Associates in Akron, Ohio, says that use of thermoplastic polyolefins in auto bumper fascias and of thermoplastic polyurethanes and styrenic block copolymers in footwear are two TPE uses that are at the saturation point. Uses of various TPEs for “soft touch” in sports, appliance, leisure and tool markets are areas that are mature and close to saturation, according to Eller. “The cycle was dominated by major material companies at first, then by compounders, and then the market saw price decline and more competition,” he said.

Recently the TPE market has seen a second wave of Asian and European compounders moving into North America to follow customers. They’ve done so with greenfield projects, toll compounding, distribution and acquisition, according to Eller, who founded his firm in 1991. Companies in this second wave include Kingfa, LCY, Mitsubishi, Polymax, Pret, So.f.ter and TSRC.

In particular Asian compounders “want to access Western markets and to learn Western marketing skills,” he explained. “They have compounding skills and lower-cost ways to serve lower-priced segments. And some Chinese compounders have moved up the quality scale.” Competition among different types of TPEs also is affecting the market. “Boundaries are getting blurred,” Eller said. “SBCs are challenging TPUs when (TPUs) are over-engineered, and SBCs are competing with copolyesters in airbags.” Also, copolyesters are competing with TPUs in some high-heat application. “What’s happening is that we’re becoming better compounders,” Eller explained. TPEs also could benefit by improving their performance in certain attributes.

“Customers still want TPEs for soft touch, silky feel and wet grip, but the materials could use higher temperature resistance—they need to go above 150° C for underhood applications,” Eller said. Scratch resistance in TPEs also could be improved needs improvement, he added. And sealing performance could be improved to approach that of butyl rubber and silicone. But all is not lost in the TPE field. Eller cited use of TPU bead foams made by BASF SE in footwear as a strong new application. He added that using polyolefin elastomers as modifiers in SBCs is allowing for the creation of new low molecular weight grades that can be used in new applications. TPEs still have many opportunities in the auto market.

“Performance standards are changing, and that creates new opportunities,” Eller said. Thermoplastic vulcanisates and SBCs are challenging EPDM materials in auto glazing seals. TPEs also are moving into door seals and trunk seals. And even a basic market like floor mats presents a 300-million-pound opportunity for SBCs, according to Eller. Low-cost TPOs also are seeing growth in auto interior skins, and slush-moulded TPEs from Kraton Polymers are expected to be used in auto panels in the near future. In the medical market, TPEs continue to see high growth despite early penetration. Prices for TPEs sold into medical applications can be two to three times higher than those sold into commodity applications. SBCs have been dominant in TPE medical uses, but copolyesters also have found a home in breathable films and gowns. Graphene – a form of carbon – also has extended TPEs into conductive and “smart” applications, Eller said.

Geographically, TPE investment “has been flowing both ways,” he added, although Asia still represents major TPE volume growth. “Technology went to Asia then back-flowed to North America as companies followed their customers,” Eller said. And although emerging market growth has slowed in recent years, Eller said that China and India remain growth markets for TPEs.

Article source: European Rubber Journal

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