Min. Order: 1000 Pieces 1.Name:Seal ring 2.Size/Color:all kinds 3.Material:Silicone 4 ... .Good airtightness,best price,s silicon rubber sealing ring Materials: different kinds of rubber & plastic, such as Silicon ... Applications: rubber parts,, industrial parts, household parts, motorcycle parts,electronicsparts, gasket rubber, O-rings. 3) Processing methods: compression, injection, transfer, ...