... service; 2) High and low temperature resistance, 3) UL and SGS certification; 4) Aging resistan Features of our rubbe part;· Working temperature ... , etc...· High tensile Strength, Wear and tear resistance, Durable;· UL & SGS certification;· Rubber Material: NBR, HNBR, XNBR, EPDM, CR, NR, SBR, VMQ ...