供应膨胀珍珠岩
he pearlite to have the round arc crack which the condensation forms, calls the pearlite structure, the water content 2~6%; The pitchstone has the unique resinous luster, the water content 6~10%; The black sunlight crag has the glassy luster and the conchoidal fracture, the water content is smaller than 2% generally.
main application pearl rock floor granulated substance after thin smashing and ultrafine grinding, may use in the oak modelling in the product, the pigment, the paint, the printing
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09/21 10:44