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Crystalfil 400 |
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Ultrafine powdered glass |
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Filler used to provide antiskid coatings on floortings |
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Off-white powder 25 p average particle size specific gravity 2.45-2.55 melting point 1600 F (initial) 72.5% SiO2, 13.7% Na 0,9.8% CaO. 3.3% MgO |
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