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Perlite Processing And Crushing Plant

1130 Perlite Processing 11301 Process Description 12 Perlite is a glassy volcanic rock with a pearllike luster It usually exhibits numerous concentric cracks that cause it to resemble an onion skin A typical perlite sample is composed of 71 to 75 percent silicon dioxide 125 to 180 percent alumina 4 to 5 percent potassium oxide 1 to

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