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Product name: o ring viton 90 shore
Size: There are standard and non-standard sizes
Color: generally, if you have special request at high hardness or high pressure resistant, we suggest color black, since black ones has carbon which has a good reinforcing effect than other colors.
When you need to choose o ring Viton 90 shore?
One of the big factors of hardness choose principle is the pressure. O ring viton 90 shore is used when there is high pressure. Common hardness of FKM is 75±5 Shore A, which can resistant to around 8-10 Mpa in static sealing
Static seal working pressure
When there is no retaining ring, the maximum pressure can reach 20MPa;
With retaining ring, the maximum pressure can reach 40MPa;
When using special retaining ring, it can reach 200MPa at most.
Dynamic seal working pressure
When there is no retaining ring, the maximum pressure can reach 5MPa;
When there is a retaining ring, the pressure is higher.
http://www.sjkseal.com/