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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,Printed Circuit Board Technology Suppliers, Manufacturers, Factory - PCB Supplier Shenzhen Circuit Board Fpc Cable Flexible 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 Printer Circuit Board Suppliers, Manufacturers, Factory - 15 experienced China professional electronic component assembly led swimming pool light pcb,pcba manufacturer - FASTPCBA Technology Co., Ltd- SDE710 |
China Printer Circuit Board Suppliers, Manufacturers, Factory - 15 experienced China professional electronic component assembly led swimming pool light pcb,pcba manufacturer - FASTPCBA Technology Co., Ltd- SDE711 |
China Printer Circuit Board Suppliers, Manufacturers, Factory - 15 experienced China professional electronic component assembly led swimming pool light pcb,pcba manufacturer - FASTPCBA Technology Co., Ltd- SDE712 |
China Printer Circuit Board Suppliers, Manufacturers, Factory - 15 experienced China professional electronic component assembly led swimming pool light pcb,pcba manufacturer - FASTPCBA Technology Co., Ltd- SDE713 |
China Printer Circuit Board Suppliers, Manufacturers, Factory - 15 experienced China professional electronic component assembly led swimming pool light pcb,pcba manufacturer - FASTPCBA Technology Co., Ltd- SDE714 |
China Printer Circuit Board Suppliers, Manufacturers, Factory - 15 experienced China professional electronic component assembly led swimming pool light pcb,pcba manufacturer - FASTPCBA Technology Co., Ltd- SDE715 |
China Printer Circuit Board Suppliers, Manufacturers, Factory - 15 experienced China professional electronic component assembly led swimming pool light pcb,pcba manufacturer - 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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OEM Multi Layer Pcb Suppliers, Manufacturers, Factory - Factory Manufacturing 94V0 PCB 2.0mm 1W/m.k UL Aluminum 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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