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Digital Edition
Published on April 19, 2019

New technologies for demanding auto applications

Expectations regarding the performance of thermoset rubber in engine sealing and air management hose applications have continued to increase, at times exponentially.
For example, one need only to consider the impact that environmental regulations targeting reduced emissions have had as they are incorporated into under-the-hood, higher efficiency designs. Zeon continues to introduce new HTACM grades that function with little to no interference from exposure to higher temperatures and aggressive media found in new engine and drive-train designs.
This paper will present a review of polyacrylic rubber technology that culminates in a presentation of several high-performance HT-ACM solutions. Studies are shown where elastomeric solutions in both the high-temperature sealing and hose application areas have excellent long-term resistance to hot lubricants, transmission fluids and caustic engine vapors. Two new elastomers are introduced, one for HT-ACM seal and gasket applications and another for HT-ACM air management hose applications.

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