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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,OEM Gerber Pcb Suppliers, Manufacturers, Factory - mobile phone charger pcb board, usb charger pcb, pcb pcba manufacturing - 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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Supply Board Layout Suppliers, Manufacturers, Factory - high quality and Easily Operate Automatic PCB Solder Paste Screen Printing Machine For SMT - FASTPCBA Technology Co., Ltd- SDE712 |
Supply Board Layout Suppliers, Manufacturers, Factory - high quality and Easily Operate Automatic PCB Solder Paste Screen Printing Machine For SMT - FASTPCBA Technology Co., Ltd- SDE713 |
Supply Board Layout Suppliers, Manufacturers, Factory - high quality and Easily Operate Automatic PCB Solder Paste Screen Printing Machine For SMT - FASTPCBA Technology Co., Ltd- SDE714 |
Supply Board Layout Suppliers, Manufacturers, Factory - high quality and Easily Operate Automatic PCB Solder Paste Screen Printing Machine For SMT - FASTPCBA Technology Co., Ltd- SDE715 |
Supply Board Layout Suppliers, Manufacturers, Factory - high quality and Easily Operate Automatic PCB Solder Paste Screen Printing Machine For SMT - 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 |
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≤3 |
≤3 |
≤3 |
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