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  ISO Series Replacement O-Rings Fits Centering Rings • Buna-N (Nitrile, NBR): 100°C Max • Viton (Fluorocarbon, FKM): 200°C Max • Silicone (Chemical Series): 200°C Max
ISO, ISO-K Replacement Elastomer Seals |
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| | Replacement Elastomer O-Rings |
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| • Viton® (Fluorocarbon, FKM) is normally used in vacuum service. Viton® has a low porosity to most gases and withstands high temperatures up to 200°C for short periods. • Buna-N (Nitrile NBR): is low cost, but their maximum operating temperature of 100°C makes them unacceptable for many high temperature vacuum applications. • Silicone is used in chemical applications and can withstand temperatures of 200°C for short periods, but silicone tends to harden to prolonged high temperature service, sticking to the metal surfaces and making the o-ring difficult to be replaced. Silicone is also very porous to helium.
Phone (407)862-4643 via Fax (407)862-8723 or info@ldsvacuum.com
LDS Vacuum Products is a 100% woman owned company and |