AHR International Ltd
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AS9120 & ISO9001:2000 Approved

Bearing seal materials

Materials Comments Temperature Range
Buna Rubber Standard Rubber Seals -20 to 200 °F
Fluorocarbon (Viton ®) Excellent Chemical Resistance, High Temp -40 to 400 °F
PTFE Seals (Teflon ®) Superior Chemical and Heat resistance, Fiberglass base -450 to 550 °F
Metal Shield Not a seal, primarily lube containment, high temperature 450 °F

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