... ,VITON,KFM,SILICON,EPDM. 4,make O-rings by customer`s drawing o ring seal kit1. Material: NBR, ... , MVQ(Silicon rubber), VITON.etc2.We also make O-rings by customer`s drawings or samples. 3.we ... specification and More than 4000 sets standard size O-ring tool.4.Different color is available5.Characteristics: ... QTY.7.We have passed ISO 9001:2000 ISO/TS 16949. thickness0.5mm to 10mm temperature-resistant -45C ...