Anti-Caking Agent Desiccative Silicon
BT-40 series of silica additive is mainly used for food, medicine and feed anti-caking agent, thickener, stabilizer and carrier, to clarify the additives, flavors and spices of the adsorption desiccant.Appearance of a milky white uniform powder. Submicroscopic silica and large specific surface area, making itplay the interval of the role of the agent, while promoting the free flow of powder material between theparticles of the powder material, its moisture absorption can greatly increase the anti-caking block the role and adsorption. BT-401 is a pharmaceutical grade, mainly used in the pharmaceutical industry.
Item |
Index |
|
Type |
BT-40 |
BT-401 |
Appearance |
White powder |
White powder |
Whiteness |
≥96 |
≥96 |
SiO2% |
≥99.9 |
≥99.9 |
PH value |
6.5-7.5 |
6.5-7.5 |
BET (specific surface area) m2 / g |
230-260 |
230-280 |
DBP (oil absorption) ml/100gDBPml/100g |
300-320 |
≥350 |
The average particle size um |
≤3 |
≤5 |
Water content |
2% |
3% |
Refractive index |
1.10 |
1.10 |
Lead content |
0.0001mg/kg |
0.0001mg/kg |
Arsenic (as As) |
0.0003mg/kg |
0.0003mg/kg |
Other heavy metals (as Pb) |
≤0.003% |
≤ 0.003% |
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