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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,Cheap Pcb Manufacturing Suppliers, Manufacturers, Factory - OEM Smart Electronics One-stop Turnkey Universal Inverter Welding PCBA PCB Board from Shenzhen Manufacturer - 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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Blank Pcb Board Suppliers, Manufacturers, Factory - Hot sales manufacturer electronic Whiteboard intelligent board smart board for education - FASTPCBA Technology Co., Ltd- SDE711 |
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Blank Pcb Board Suppliers, Manufacturers, Factory - Hot sales manufacturer electronic Whiteboard intelligent board smart board for education - FASTPCBA Technology Co., Ltd- SDE713 |
Blank Pcb Board Suppliers, Manufacturers, Factory - Hot sales manufacturer electronic Whiteboard intelligent board smart board for education - FASTPCBA Technology Co., Ltd- SDE714 |
Blank Pcb Board Suppliers, Manufacturers, Factory - Hot sales manufacturer electronic Whiteboard intelligent board smart board for education - FASTPCBA Technology Co., Ltd- SDE715 |
Blank Pcb Board Suppliers, Manufacturers, Factory - Hot sales manufacturer electronic Whiteboard intelligent board smart board for education - 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 |
|||||||||
|
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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