Product Description

1.SiO2≥99.9%

2.Impurity Max each Ca/Mg/Na/Cu/Mn/Co/Pb/N/S 0.001%, Fe/Ni/K 0.002%

3.Size 40nm

4.LOI (950 °C, 2h)  6.0%

Packing  25kgs in woven bag with plastic bag inside

Payment Terms︰ T/T in advance