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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,Fr4 Printed Circuit Board Suppliers, Manufacturers, Factory - Cheap PCB Prototype Fabrication Service PCBA with PCB SMT Soldering - 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 Printed Circuit Technology Suppliers, Manufacturers, Factory - V cut SMT pcb separator/depaneling machine - FASTPCBA Technology Co., Ltd- SDE715 |
Wholesale Printed Circuit Technology Suppliers, Manufacturers, Factory - V cut SMT pcb separator/depaneling machine - 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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|
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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 |
|||||||||
|
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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