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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 Price Suppliers, Manufacturers, Factory - PCB fabrication and SMT PCBA Assembly 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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Pcb Board Material Suppliers, Manufacturers, Factory - Motor driving silk screen printer with vacuum table - FASTPCBA Technology Co., Ltd- SDE712 |
Pcb Board Material Suppliers, Manufacturers, Factory - Motor driving silk screen printer with vacuum table - FASTPCBA Technology Co., Ltd- SDE713 |
Pcb Board Material Suppliers, Manufacturers, Factory - Motor driving silk screen printer with vacuum table - FASTPCBA Technology Co., Ltd- SDE714 |
Pcb Board Material Suppliers, Manufacturers, Factory - Motor driving silk screen printer with vacuum table - FASTPCBA Technology Co., Ltd- SDE715 |
Pcb Board Material Suppliers, Manufacturers, Factory - Motor driving silk screen printer with vacuum table - 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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Custom Printed Circuit Board Process - DEPAI machinery automatic textile flatbed screen printing machine for pcb - FASTPCBA Technology Co., Ltd |
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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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