... rings whose cross section is O shape. According to the features, there are Heat/High ... Corrosion resistance, and Abrasion resistance kinds. According to the shape, there are O-Rings, V-Rings, ... Y-Rings, and so on. And according to ... MVQ Rubber O-RingsMaterialNBR, EPDM, SILICONE, VITONHardnessAccording to different raw material and clients' requirementTemperatureNBR(-40~ ...