... resistance, 3) UL and SGS certification; 4) Aging resistan Features of our rubbe part;· Working temperature: -100 to +300 degrees;· Hardness ... , Wear and tear resistance, Durable;· UL & SGS certification;· Rubber Material: NBR, HNBR, XNBR, EPDM, CR, NR, SBR, VMQ, FKM, LAS, FVMQ ... , usually in 1~2 weeks. Please see the following features of all kinds rubber material, please choose the suitable one for ...