PYRAX® RG-140

PYRAX® RG-140 Pyrophyllite is a unique natural mixture of platy silicates, principally pyrophyllite, and quartz ground to 140 mesh.  It has low bulk density, low thermal conductivity, and low reversible thermal expansion.  PYRAX RG 140 is used in mold washes to prevent metal penetration into the mold.  In insulating firebrick, PYRAX RG 140 provides excellent dimensional stability and is used to make refractories with superior hot load bearing ability, resistance to thermal shock and a low coefficient of thermal expansion.  In abrasive products, PYRAX RG 140 is used in vibratory millstones, bonded wheels and polishing compounds.

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