... =Excellent, B=Good, C=Fair, D=Poor 2. We are not limited to the four common elastomers mentioned above but can work with ... ), ethylene acrylic (EA), chloroprene (CR), high/low temperature nitriles, conductive rubbers, carboxalated rubber etc. We have a state of the art laboratory and can modiy ... , spare tube core tube joints, burke, sampling suppress inspection. 2012 high-pressure rubber tube