TORZEN Marathon™ technology creates solutions for injection molders
To meet growing automotive demand for under-the-hood solutions that have improved heat-aging characteristics, INVISTA Engineering Polymers has further differentiated its TORZEN Marathon™ technology. The company’s patent-pending technology offers molder and OEM customers a polyamide 6,6 engineered polymer that has long-term, heat-aging properties coupled with strength, increased processability and good hydrolysis resistance.
“TORZEN Marathon™ technology is the ideal solution for applications that are constantly exposed to intense heat,” said Romeo De Castro, global product marketing manager, INVISTA Engineering Polymers. “Extreme heat resistance capability paired with lower injection pressures is a win-win for the automotive, and electrical and electronics markets.”
TORZEN Marathon™ compounded polymers offer improved heat-aging performance over conventional PA66 heat-stabilization technology, while also delivering the same balance of toughness, wear resistance, and heat and chemical resistance for which PA66 is known. Certified third-party lab tests found that TORZEN Marathon™ resin retains more than 50 percent tensile properties and toughness during continuous-use temperatures of 190°C, for up to 3,000 hours. The resin can also withstand peak temperatures up to 230°C for up to 1,000 hours.
In addition to the long-term, heat-aging benefits, there are processing advantages to using TORZEN Marathon™ resins over conventional PA66. These benefits include lower melt viscosity and reduced cycle time—all while maintaining similar shrinkage, and hydrolysis resistance as PA66. As a result of these product attributes, molders can have increased part integration, which could help to reduce cost and vehicle weight.
INVISTA’s TORZEN Marathon™ technology also provides property enhancements for its flame retardant grades. Enhancements include improved mechanical properties retention after heat aging and lower melt viscosity compared with conventional PA66 grades, while maintaining V-0 flame retardant performance, from 0.4 to 3.0 mm in thickness.
The TORZEN Marathon™ technology is its latest effort to help create new solutions for global molders that specialize in automotive and E&E applications.
“Utilizing this new technology, our technical team and application development engineers are working with customers to help create the next breakthrough technology, which will drive their businesses forward. Increasing flexibility of part design has significant benefits for both E&E and automotive markets, such as helping OEMs reach upcoming CAFE standards,” added De Castro.
Learn more about TORZEN Marathon™ technology at www.ep.INVISTA.com.
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