Product Description
Product Name: Silicon Dioxide VII Polishing Type
Description:White Powder.
|
Name Of Index |
Specifications |
|
Purity of sio2,% |
≥96 |
|
Appearance |
White powder |
|
Whiteness,% |
≥96 |
|
Pass 320 Mesh Screen,% |
≥98 |
|
Water Absorption,ml/20g |
17-20 |
|
Refractive |
1.435-1.45 |
|
PH(5% suspension) |
7.5-8.5 |
|
Loss on Drying（1050C）,% |
≤10 |
|
Loss on ignition,% |
≤8.3 |
|
Fe,ppm |
≤350 |
|
Sodium sulfate,% |
≤2.0 |
|
Heavy Metals,% |
≤0.002 |
|
Pb,% |
≤0.001 |
|
Arsenic,% |
≤0.0002 |
|
Transparent Index |
≥90 |
|
Total Aerobic Count,cfu/g |
≤100 |
Packing:15kg paper or PP bags.
Storage and Transport:
It should be stored in a dry and ventilative warehouse. Avoid rain and moisture during transport. Furthermore, it should be stored separately from poisonous substance.
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