Silicon Dioxide STD

Coating raw materials 2025-08-22

Technical Data

Properties Units Target Values(SpecLimits) Test results
Silicon dioxide content (dry product) % ≥98 99.7
Loss on drying 105℃2h % 4.0–7.0 5.1
Loss on ignition 950℃2h % ≤7.0 4.2
Specific surface area m2g 170–180 176
Oil absorption value g/100g 260-280 267
Iron content mg/kg ≤1000 315
Residue on the sieve(45um) % <0.5 0.01
PH Value 6.5–7.5 7
Appearance Better than or equal to the standard Equal to standard