Automobile Dust Proof EPDM Wire Harness bahan opsional yaiku karet alam, karet neoprene, karet silikon lan karet EPDM, nanging karet EPDM Inggris paling akeh digunakake, amarga karet EPDM dibandhingake karo jinis karet liyane, regane luwih murah, kinerja relatif luwih stabil, saliyane kanggo elastisitas apik, resistance kadhemen apik, kinerja jampel apik lan kaluwihan liyane.