Electric and electronic silica powder:
H400 H600 H800 H1000
D90 (μm) 40 35 28 19
D50 (μm) 16 13 11 8
D10 (μm) 4 3 3 2.4
SiO2 (%) 99.3 99.3 99.3 99.3
Al2O3 (%) 0.12 0.12 0.12 0.12
Fe2O3 (%) 0.03 0.03 0.03 0.03
loss on ignition (%) 0.15 0.15 0.15 0.15
Specific gravity (g/cm3) 2.65 2.65 2.65 2.65
PH 5.5-7.5 5.5-7.5 5.5-7.5 5.5-7.5
Moh’s Hardness 7 7 7 7
cm2/cc 6500-7500 7500-8500 8500-9500 9500-10000
Appearance White powder White powder White powder White powder
1. May produce as per buyer’s request.
2. packing: 25kg bag,50kg bag,1mt bag or as per request.
Mesh size:200-8000mesh