Uses of Industrial Minerals, Rocks and Freshwater - Kaulir ...
2018-12-17u2002·u2002It is light in weight (specific gravity 1.44-1.47) and has high tensile strength, high resistance to both abrasion and impact and also thermal stability at temperatures up to about 6000C. But it suffers from the disadvantages of proneness to absorb water, environment-sensitivity, poor compressive strength and difficulty in cutting and shaping.
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