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White Expanded Perlite Powder offered by us is extensively utilized for sandblasting, casting sand, as slag coagulant, & for metal finishing purpose. It is highly appreciated for having low bulk density & sound transmission and good heat resistance. This powder is also utilized as filter aid in numerous industrial processes including wastewater treatment, ink & metal waste, and also for filter press precoat. White Expanded Perlite Powder is known to have melting point of more than 2000 degrees Fahrenheit with specific gravity of 2.2 to 2.4.