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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,OEM Pcb Proto - Fast Processing Proofing Multi 4 Layers 94v0 Circuit Board 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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Custom Main Printed Circuit Board Suppliers, Manufacturers, Factory - QIHE TVM802AX low cost SMT mini desktop pick and place machine for PCB making - FASTPCBA Technology Co., Ltd- SDE711 |
Custom Main Printed Circuit Board Suppliers, Manufacturers, Factory - QIHE TVM802AX low cost SMT mini desktop pick and place machine for PCB making - FASTPCBA Technology Co., Ltd- SDE712 |
Custom Main Printed Circuit Board Suppliers, Manufacturers, Factory - QIHE TVM802AX low cost SMT mini desktop pick and place machine for PCB making - FASTPCBA Technology Co., Ltd- SDE713 |
Custom Main Printed Circuit Board Suppliers, Manufacturers, Factory - QIHE TVM802AX low cost SMT mini desktop pick and place machine for PCB making - FASTPCBA Technology Co., Ltd- SDE714 |
Custom Main Printed Circuit Board Suppliers, Manufacturers, Factory - QIHE TVM802AX low cost SMT mini desktop pick and place machine for PCB making - FASTPCBA Technology Co., Ltd- SDE715 |
Custom Main Printed Circuit Board Suppliers, Manufacturers, Factory - QIHE TVM802AX low cost SMT mini desktop pick and place machine for PCB making - 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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