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Chemical Formula:SiO2
CAS NO:7631-86-9
HS Code: 28112200
Tooth Grade - SDE Series
Silicon dioxide for SDE series’ toothpaste is amorphous powder, which is tasteless and insoluble in water or
acid, showing as chemical inertness, with good compatibility with fluoride and other materials in toothpaste.
The structure and particle size of silicon dioxide can be controlled by production condition. By aiming at
different types of toothpaste,Making Printed Circuit Boards Suppliers, Manufacturers, Factory - China custom made electronic led tv pcb board/pcb assembly /pcba circuit boards - FASTPCBA Technology Co., Ltdmade: friction type, mixed type and thickening type.
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Product Series |
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Type |
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Pcb Assembly Standards Suppliers, Manufacturers, Factory - IC online new in original package OV9655 Integrated circuits technology - FASTPCBA Technology Co., Ltd- SDE712 |
Pcb Assembly Standards Suppliers, Manufacturers, Factory - IC online new in original package OV9655 Integrated circuits technology - FASTPCBA Technology Co., Ltd- SDE713 |
Pcb Assembly Standards Suppliers, Manufacturers, Factory - IC online new in original package OV9655 Integrated circuits technology - FASTPCBA Technology Co., Ltd- SDE714 |
Pcb Assembly Standards Suppliers, Manufacturers, Factory - IC online new in original package OV9655 Integrated circuits technology - FASTPCBA Technology Co., Ltd- SDE715 |
Pcb Assembly Standards Suppliers, Manufacturers, Factory - IC online new in original package OV9655 Integrated circuits technology - FASTPCBA Technology Co., Ltd- SDE716 |
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DBP |
cm3/ 100g |
80~95 |
85~110 |
60~80 |
95~115 |
125~175 |
175~200 |
200~260 |
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% |
≥98 |
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Drying Loss |
% |
4.0~7.0 |
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Ignition loss (dry basis) |
% |
≤7.0 |
≤6.0 |
≤6.0 |
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pH（5% aqueous solution） |
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7.2~8.5 |
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D50 |
um |
4~15 |
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Sieve Residue 45um |
% |
≤1.5 |
≤1.5 |
≤1.5 |
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Cl |
mg/kg |
≤0.1 |
≤0.1 |
≤0.1 |
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Na2O |
mg/kg |
≤1 |
≤1 |
≤1 |
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Na2SO4 |
mg/kg |
≤0.4 |
≤0.4 |
≤0.4 |
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|
Fe2O3 |
ppm |
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Al2O3 |
ppm |
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≤1.0 |
≤1.0 |
≤1.0 |
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Microbial Content |
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Pb |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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