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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,China Pcb Fabrication Suppliers, Manufacturers, Factory - OEM One-Stop Service PCB Assembly Electronic PCB Manufacturers In China - 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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Wholesale Electronic Pcb Assembly - Shenzhen Electronic Printed Circuit Board For Smart Products - FASTPCBA Technology Co., Ltd- SDE711 |
Wholesale Electronic Pcb Assembly - Shenzhen Electronic Printed Circuit Board For Smart Products - FASTPCBA Technology Co., Ltd- SDE712 |
Wholesale Electronic Pcb Assembly - Shenzhen Electronic Printed Circuit Board For Smart Products - FASTPCBA Technology Co., Ltd- SDE713 |
Wholesale Electronic Pcb Assembly - Shenzhen Electronic Printed Circuit Board For Smart Products - FASTPCBA Technology Co., Ltd- SDE714 |
Wholesale Electronic Pcb Assembly - Shenzhen Electronic Printed Circuit Board For Smart Products - FASTPCBA Technology Co., Ltd- SDE715 |
Wholesale Electronic Pcb Assembly - Shenzhen Electronic Printed Circuit Board For Smart Products - 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 |
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≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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