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198

Graphite

Chesterton 198 is a high purity graphite sheet with no fillers or binders. 198 contains a corrosion inhibitor making it an excellent gasket for almost all environments. For use in extreme temperature applications where metal reinforcement cannot be used.
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 Technical Data

Temperature Limit
-240° C (-400° F) to 2760°C (5000°F) non-oxidizing    450°C (850°F) oxidizing
Pressure Limit140 bar g (2000 psig)
ColorGrey
Creep Relaxation (ASTM-F38)<5%
Recovery (ASTM-F36)12-17%
P x T =58,000(°C x bar g)or 1,600,000(°F x psig)
Compressibility(ASTM-36) : 40%

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