1 - The material selection of o ring

Material: NBR, FKM, EPDM, VMQ, FFKM, FFKM, CR etc

2 - The hardness selection of o ring

The hardness of o ring is related to the pressure. The normal hardness is 70 shore a and the anti pressure property is 10mpa. 80 shore a is 15mpa. 90 shore a is 25mpa. Other hardness are also available.

3 - The size selection of o ring

Measure the ID and C/S and inform us so we can offer the price to you.