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| Pyrax HS |
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| Pyrophyllite, hydrated aluminum silicate |
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| A clean whiteware grade pyrophyllite used in sanitary ware, for increasing fired strength, and in tile, for low moisture expansion ceramic bodies with good craze resistance and uniform size control. |
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Physical State: Off-white powder
Brightness, Fired: 75 minimum
Fineness, retained on: 200 mesh - 3% maximum, 100 mesh - 0.5% maximum
Shrinkage: -1.0 to 3.5%
Moisture Content: 0.5% maximum |
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