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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 Prototype - Kingbrite NEWEST QB288 PCB For SamSung LM561C, 3030 leds, 2835 leds - 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 Single Sided Printed Circuit Board - Shenzhen rogers 5880 customized print circuit board roger substrate pcb pcba with smt - FASTPCBA Technology Co., Ltd- SDE711 |
China Single Sided Printed Circuit Board - Shenzhen rogers 5880 customized print circuit board roger substrate pcb pcba with smt - FASTPCBA Technology Co., Ltd- SDE712 |
China Single Sided Printed Circuit Board - Shenzhen rogers 5880 customized print circuit board roger substrate pcb pcba with smt - FASTPCBA Technology Co., Ltd- SDE713 |
China Single Sided Printed Circuit Board - Shenzhen rogers 5880 customized print circuit board roger substrate pcb pcba with smt - FASTPCBA Technology Co., Ltd- SDE714 |
China Single Sided Printed Circuit Board - Shenzhen rogers 5880 customized print circuit board roger substrate pcb pcba with smt - FASTPCBA Technology Co., Ltd- SDE715 |
China Single Sided Printed Circuit Board - Shenzhen rogers 5880 customized print circuit board roger substrate pcb pcba with smt - 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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