| Specifications︰ | SiO2:70-75%
Al2O3:12-15%
Na2O:3-4%
K2O:3-5%
Fe2O3:0.5-2%
MgO:0.2-0.7%
CaO:0.5-1.5%
Loss on ignition:3-5%
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| Advantages︰ | It could be used in building construction products, horticultural aggregate, fillers, filter aid, and insulation fields. |
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