... chooce Small MOQ Fast delivery Good after-sales service O ring is one of the main products in our factory, it ... ), Neoprene(CR),Styrene(SBR) ,CR,ACM,PU etc.Application: O ring is widely used in different industries: Auto, Machinery, Electronic, Water ... ,Metric, GB 245201.O ring detail for reference:1. Size : O ring circle diameter (C.D) Minimum0.44mm. O ring outer diameter Maximal 530mm2 ...