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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 Board Components Suppliers, Manufacturers, Factory - 99003 high quantity!! new Prototype Paper Copper PCB Universal Experiment Matrix Circuit Board 5x7cm Brand - 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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China Printed Wiring Board Suppliers, Manufacturers, Factory - Full color tube chip color and P10 led display pcb board, led display panel pcb - FASTPCBA Technology Co., Ltd- SDE711 |
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China Printed Wiring Board Suppliers, Manufacturers, Factory - Full color tube chip color and P10 led display pcb board, led display panel pcb - FASTPCBA Technology Co., Ltd- SDE713 |
China Printed Wiring Board Suppliers, Manufacturers, Factory - Full color tube chip color and P10 led display pcb board, led display panel pcb - FASTPCBA Technology Co., Ltd- SDE714 |
China Printed Wiring Board Suppliers, Manufacturers, Factory - Full color tube chip color and P10 led display pcb board, led display panel pcb - FASTPCBA Technology Co., Ltd- SDE715 |
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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） |
|
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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