Colloidal Silicon Dioxide

Colloidal silicon dioxide
classification: silicon dioxide cas no.: 7631-86-9 other names: pyrogenic silica
mf: sio2 einecs no.: 231-545-4 model number: f-150,f-200,f-380
grade standard: industrial grade purity: 99.99% appearance: white amorphous powder
application: for industrial use only brand name: fusil model number: f-150,f-200,f-380
specifications
coloidal silica
1.direct manufacturer
2.good transparency
3good disperse heat
good suspension, good flatting efficiency,
colloidal silica (sio2)
items dx-500 dx-520 dx-520w dx-530 dx-530w dx-550 dx-550w
form white powder white powder white powder white powder white powder white powder white powder
whiteness 98 98 98 98 98 98 98
sio2 (dry basis) % ≥99.9 ≥99.9 ≥99.9 ≥99.9 ≥99.9 ≥99.9 ≥99.9
pore volume ml/g 1.4-1.6 1.8-2.0 1.8-2.0 1.8-2.0 1.8-2.0 1.8-2.0 1.8-2.0
ph value 6.5-7.5 6.5-7.5 6.5-7.5 6.5-7.5 6.5-7.5 6.5-7.5 6.5-7.5
bet surface area m2/g 260-280 290-310 290-310 290-310 290-310 290-310 290-310
dbp absorption value ml/100g 280-320 300-320 300-320 300-320 300-320 180-200 180-200
average particle size um 4-5 4-6 4-6 3-4 3-4 4-6 4-6
sieve residue (45um) % .