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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,China Prototype Circuit Board Assembly Suppliers, Manufacturers, Factory - Smart Electronics~ Shenzhen 8 Layer Gold Finger PCB Manufacture , PCB Manufacturing , Printed Circuit Board - 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 Custom Printed Circuit Board - PCBA/PCB and Components Manufacturer - FASTPCBA Technology Co., Ltd- SDE711 |
Custom Custom Printed Circuit Board - PCBA/PCB and Components Manufacturer - FASTPCBA Technology Co., Ltd- SDE712 |
Custom Custom Printed Circuit Board - PCBA/PCB and Components Manufacturer - FASTPCBA Technology Co., Ltd- SDE713 |
Custom Custom Printed Circuit Board - PCBA/PCB and Components Manufacturer - FASTPCBA Technology Co., Ltd- SDE714 |
Custom Custom Printed Circuit Board - PCBA/PCB and Components Manufacturer - FASTPCBA Technology Co., Ltd- SDE715 |
Custom Custom Printed Circuit Board - PCBA/PCB and Components 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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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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