Chemical property
Chemical CompositionSiO2Al2O3K2OFe2O3CaONa2OMgOH2O
Content(%)47.3233.2511.821.810.030.960.912.7
Physics property
Density:(g/cm3)Refraction RateWhitenesRatio of diameter to thicknessRefractorinessL.O.IMoisture
2.801.6070-80>601000oC2.8-2.9<1%
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