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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,Wholesale Circuit Board Online - Shenzhen Custom Printed Circuit Board Manufacturer, Electronic PCB SMT/DIP Assembly PCBA - 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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Printed Circuit Design And Fab Suppliers, Manufacturers, Factory - Electronic pcba assembly circuit board for electronic organ with speech recognition IC smart toys - FASTPCBA Technology Co., Ltd- SDE711 |
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Printed Circuit Design And Fab Suppliers, Manufacturers, Factory - Electronic pcba assembly circuit board for electronic organ with speech recognition IC smart toys - FASTPCBA Technology Co., Ltd- SDE713 |
Printed Circuit Design And Fab Suppliers, Manufacturers, Factory - Electronic pcba assembly circuit board for electronic organ with speech recognition IC smart toys - FASTPCBA Technology Co., Ltd- SDE714 |
Printed Circuit Design And Fab Suppliers, Manufacturers, Factory - Electronic pcba assembly circuit board for electronic organ with speech recognition IC smart toys - FASTPCBA Technology Co., Ltd- SDE715 |
Printed Circuit Design And Fab Suppliers, Manufacturers, Factory - Electronic pcba assembly circuit board for electronic organ with speech recognition IC smart toys - 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） |
|
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 |
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≤3 |
≤3 |
≤3 |
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