Shengfan Quartz plate characteristic SIO2 99.9% Density 2.2(g/cm³) Degree of hardness moh’ scale 6.6 Melting point 1732℃ Working temperature 1100℃ Max temperature can reach in a short time 1450℃ ...अधिक देखें
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Factory Sales Fused Silica Quartz Tube Clear Glass Cylinder Heat High Temperature Clear Quartz Tube