... A,B+,B and C Technics designed by 3D high accuracy, small error Finish Die pressing or molded by ... toys,bikes, RVs, boats, pumps, furniture and more.Characteristics:high temperature, ozone, oil, Grease resistanceSpecificationA) Standard and NonstandardB) Different sizes ... .5) Has outstanding resistance to high and low temperature performance, -70 °C - +160 °C temperature range to maintain good use6) ...