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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 Cad Suppliers, Manufacturers, Factory - Shenzhen supplier provide flexible pcb cable for Application of Hard Disk Driver - 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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Wholesale Circuit Boards For Sale - 2-Layer flexible pcb - FASTPCBA Technology Co., Ltd- SDE711 |
Wholesale Circuit Boards For Sale - 2-Layer flexible pcb - FASTPCBA Technology Co., Ltd- SDE712 |
Wholesale Circuit Boards For Sale - 2-Layer flexible pcb - FASTPCBA Technology Co., Ltd- SDE713 |
Wholesale Circuit Boards For Sale - 2-Layer flexible pcb - FASTPCBA Technology Co., Ltd- SDE714 |
Wholesale Circuit Boards For Sale - 2-Layer flexible pcb - FASTPCBA Technology Co., Ltd- SDE715 |
Wholesale Circuit Boards For Sale - 2-Layer flexible pcb - 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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Supply Circuit Board Manufacturing Companies Suppliers, Manufacturers, Factory - pcb made in China Rigid Prototype PCB Supplier fr4 1.2mm double sided pcb - FASTPCBA Technology Co., Ltd |
Supply Circuit Board Manufacturing Companies Suppliers, Manufacturers, Factory - pcb made in China Rigid Prototype PCB Supplier fr4 1.2mm double sided pcb - FASTPCBA Technology Co., Ltd |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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