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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,Circuit Board Printing Service Suppliers, Manufacturers, Factory - Fully automatic machine use pcb assembly manufacturer, pcb factory - 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 Printed Circuit Design And Fab - customized design high quality 36W bladeless fan printed circuit board - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Printed Circuit Design And Fab - customized design high quality 36W bladeless fan printed circuit board - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Printed Circuit Design And Fab - customized design high quality 36W bladeless fan printed circuit board - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Printed Circuit Design And Fab - customized design high quality 36W bladeless fan printed circuit board - FASTPCBA Technology Co., Ltd- SDE714 |
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OEM Printed Circuit Design And Fab - customized design high quality 36W bladeless fan 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） |
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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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China Smt Pcb Manufacturing Process Suppliers, Manufacturers, Factory - LEENOL brand LN-B814 ESD SMT Magazine Rack For Storage PCB Boards - FASTPCBA Technology Co., Ltd |
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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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