20 um High Whiteness Fused Silica Powder Melted Quartz Sand for Investment Casting
20 um High Whiteness Fused Silica Powder Melted Quartz Sand for Investment Casting.
Model:OBT-20um
20 um High Whiteness Fused Silica Powder Melted Quartz Sand for Investment Casting.
Model:OBT-20um
99.9 - 99.99% SiO2 0 - 1mm Fused Silica Sand Acidic Acid Refractory.
Model:OBT-0-1
Precision casting use high purity fused silica sand 20-50 mesh SiO2 99.7%
Model:OBT-20-50
4-20um Kurnool grade 99.9% pure fused silica sand factory price per ton for micro encapsulation
Model:OBT-4-20