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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,Wholesale Printed Circuit Board Prototype - sensor pcba service sensor pcb manufacturing - 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 Electronic Pcb Assembly Suppliers, Manufacturers, Factory - OEM 2018 New Product 4G Model Mainboard PCBA RK3229 Quad Core 1G+8G Electronic Android Tv Box Printed Circuit Board - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Electronic Pcb Assembly Suppliers, Manufacturers, Factory - OEM 2018 New Product 4G Model Mainboard PCBA RK3229 Quad Core 1G+8G Electronic Android Tv Box Printed Circuit Board - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Electronic Pcb Assembly Suppliers, Manufacturers, Factory - OEM 2018 New Product 4G Model Mainboard PCBA RK3229 Quad Core 1G+8G Electronic Android Tv Box Printed Circuit Board - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Electronic Pcb Assembly Suppliers, Manufacturers, Factory - OEM 2018 New Product 4G Model Mainboard PCBA RK3229 Quad Core 1G+8G Electronic Android Tv Box Printed Circuit Board - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Electronic Pcb Assembly Suppliers, Manufacturers, Factory - OEM 2018 New Product 4G Model Mainboard PCBA RK3229 Quad Core 1G+8G Electronic Android Tv Box Printed Circuit Board - 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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