Heat silicone sealing o ring 1.Certification: ISO9001:2008, TS16949 2.Material: 100% silicone ... VMQ), or NBR, EPDM, Viton, etc.2. Temperature: -40~220°C. 3. Hardness: 20 to 80 shore A or as your ... .8. OEM and ODM are highly welcomed, V ring, D ring, X ring are all available.Our advantages:1. Strong QC and ... have thousands of current molds for all kinds of o ring, AS568, JS, Metric and BS o rings are all ...