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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,Supply Circuit Board Assembly Suppliers, Manufacturers, Factory - LED Car Small Bulbs PCB Assembly, LED PCBA Custom Production - 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 Circuit Board Supplies - tubi8 led tower warning light pcb led boards and led 3535 pcb - FASTPCBA Technology Co., Ltd- SDE711 |
China Circuit Board Supplies - tubi8 led tower warning light pcb led boards and led 3535 pcb - FASTPCBA Technology Co., Ltd- SDE712 |
China Circuit Board Supplies - tubi8 led tower warning light pcb led boards and led 3535 pcb - FASTPCBA Technology Co., Ltd- SDE713 |
China Circuit Board Supplies - tubi8 led tower warning light pcb led boards and led 3535 pcb - FASTPCBA Technology Co., Ltd- SDE714 |
China Circuit Board Supplies - tubi8 led tower warning light pcb led boards and led 3535 pcb - FASTPCBA Technology Co., Ltd- SDE715 |
China Circuit Board Supplies - tubi8 led tower warning light pcb led boards and led 3535 pcb - 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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