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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,Supply Main Pcb Assembly - red pcb, red solder mask pcb - 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 Electronic Assembly Services Inc - Customized flexible Pcb manufacture in shenzhen,FPC - FASTPCBA Technology Co., Ltd- SDE710 |
China Electronic Assembly Services Inc - Customized flexible Pcb manufacture in shenzhen,FPC - FASTPCBA Technology Co., Ltd- SDE711 |
China Electronic Assembly Services Inc - Customized flexible Pcb manufacture in shenzhen,FPC - FASTPCBA Technology Co., Ltd- SDE712 |
China Electronic Assembly Services Inc - Customized flexible Pcb manufacture in shenzhen,FPC - FASTPCBA Technology Co., Ltd- SDE713 |
China Electronic Assembly Services Inc - Customized flexible Pcb manufacture in shenzhen,FPC - FASTPCBA Technology Co., Ltd- SDE714 |
China Electronic Assembly Services Inc - Customized flexible Pcb manufacture in shenzhen,FPC - FASTPCBA Technology Co., Ltd- SDE715 |
China Electronic Assembly Services Inc - Customized flexible Pcb manufacture in shenzhen,FPC - 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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China Pcb Cad - Flexible led pcb - FASTPCBA Technology Co., Ltd |
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≤1.0 |
≤1.0 |
≤1.0 |
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Microbial Content |
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China Acme Pcb Assembly - pcb for led 5730 led circuit panel for street light led pcb - FASTPCBA Technology Co., Ltd |
China Acme Pcb Assembly - pcb for led 5730 led circuit panel for street light led pcb - FASTPCBA Technology Co., Ltd |
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Pb |
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China Pcb Assembly Soldering Suppliers, Manufacturers, Factory - Hot sell round SMD Samsung 5730 LED bulb PCB 3w 5w 7w 9w 12w 18w - FASTPCBA Technology Co., Ltd |
China Pcb Assembly Soldering Suppliers, Manufacturers, Factory - Hot sell round SMD Samsung 5730 LED bulb PCB 3w 5w 7w 9w 12w 18w - FASTPCBA Technology Co., Ltd |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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