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Structural Formula: |
SiO2 · x H2O |
Specification: |
Item |
Unit |
Standard |
Purity, (dried) |
% |
≥ 96.0 |
Drying loss, |
% |
≤ 5 |
Ignition loss, |
% |
≤ 8.5 |
Heavy metal, (Pb) |
% |
≤ 0.003 |
Lead |
% |
≤ 0.001 |
Arsenic |
% |
≤ 0.0003 |
Dissoluble dissociated salt (based on Na2SO4) |
% |
≤ 4 |
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Physical Properties: |
Appearance: Anhydrous, light, white powder. Odorless.
Particle size: 100% through 100 mesh sieve.
Solubility: Insoluble in acid; soluble in hot alkali solution.. |
Application: |
Mainly been used as lubricant, anti-sticking agent and flow aid. The product has high medicine absorbing capacity and hydrophility.and can accelerate troche to disintegrate to extremely fine state. It is specially suitable for granulation of oily and plaster mediacines and is also used as suspension aid and thickening agent for liquid preparation. |
Packaging: |
Packed in a plastic weave bag lined with polyethylene film bag.
Net weight 10kg/ bag. |
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