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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,Pcb Manufacturing Companies Suppliers, Manufacturers, Factory - LED PCB Module, led pcb assembly,Driver on board Aluminum Base LED Bulb 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 Flexible Pcb Prototype - 2018 new design Waterproof Membrane PCB/PCBA Clone Prototype factory quick turn FR4 Rigid pcb prototype from China - FASTPCBA Technology Co., Ltd- SDE711 |
China Flexible Pcb Prototype - 2018 new design Waterproof Membrane PCB/PCBA Clone Prototype factory quick turn FR4 Rigid pcb prototype from China - FASTPCBA Technology Co., Ltd- SDE712 |
China Flexible Pcb Prototype - 2018 new design Waterproof Membrane PCB/PCBA Clone Prototype factory quick turn FR4 Rigid pcb prototype from China - FASTPCBA Technology Co., Ltd- SDE713 |
China Flexible Pcb Prototype - 2018 new design Waterproof Membrane PCB/PCBA Clone Prototype factory quick turn FR4 Rigid pcb prototype from China - FASTPCBA Technology Co., Ltd- SDE714 |
China Flexible Pcb Prototype - 2018 new design Waterproof Membrane PCB/PCBA Clone Prototype factory quick turn FR4 Rigid pcb prototype from China - FASTPCBA Technology Co., Ltd- SDE715 |
China Flexible Pcb Prototype - 2018 new design Waterproof Membrane PCB/PCBA Clone Prototype factory quick turn FR4 Rigid pcb prototype from China - 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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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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