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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 Making Printed Circuit Boards Suppliers, Manufacturers, Factory - Design usb 3.0 pd charger 10 port pcb prototype board - 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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OEM Printed Circuit Board Maker Suppliers, Manufacturers, Factory - PCB/PCBA factory, FR-4 94v0 air conditioner inverter pcba, pcba service - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Printed Circuit Board Maker Suppliers, Manufacturers, Factory - PCB/PCBA factory, FR-4 94v0 air conditioner inverter pcba, pcba service - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Printed Circuit Board Maker Suppliers, Manufacturers, Factory - PCB/PCBA factory, FR-4 94v0 air conditioner inverter pcba, pcba service - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Printed Circuit Board Maker Suppliers, Manufacturers, Factory - PCB/PCBA factory, FR-4 94v0 air conditioner inverter pcba, pcba service - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Printed Circuit Board Maker Suppliers, Manufacturers, Factory - PCB/PCBA factory, FR-4 94v0 air conditioner inverter pcba, pcba service - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Printed Circuit Board Maker Suppliers, Manufacturers, Factory - PCB/PCBA factory, FR-4 94v0 air conditioner inverter pcba, pcba service - 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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China Cheap Pcb Manufacturing Suppliers, Manufacturers, Factory - china manufacturers custom electronic fpcb pcb assembly pcba fr4 ru 94v0 printed circuit board - FASTPCBA Technology Co., Ltd |
China Cheap Pcb Manufacturing Suppliers, Manufacturers, Factory - china manufacturers custom electronic fpcb pcb assembly pcba fr4 ru 94v0 printed circuit board - FASTPCBA Technology Co., Ltd |
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As |
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≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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