... ResistanceCAATear ResistanceBDCWeathering ResistanceBAANotes:1. A=Excellent, B=Good, C=Fair, D=Poor 2. We are not limited to the four common elastomers ... nitriles, conductive rubbers, carboxalated rubber etc. We have a state of the art laboratory and can modiy elastomers in ... temperature, abrasion, high rpm, durometer etc. About us As a professional manufacture of making all kinds of Rubber Gasket , ...