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Molecular formula : MW : CAS :
nature : porous and light of refractories. The clay quality, high alumina, silica or magnesia cement compound, could have joined the stomatal additives such as charcoal powder and coke powder, sawdust, pine soap, by molding, drying, having derived. Bulk density often below 1.4. Have excellent insulation properties. For thermal equipment and the high-temperature furnace insulation materials.
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