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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,Wholesale Medical Equipment Pcb - Fully automatic machine use pcb assembly manufacturer, pcb factory for Mobile phone charger - 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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Supply China Pcb Prototype Suppliers, Manufacturers, Factory - Guangdong Printed Circuit Board f fr1 board 94v0 OSP lead free pcb for LED light - FASTPCBA Technology Co., Ltd- SDE713 |
Supply China Pcb Prototype Suppliers, Manufacturers, Factory - Guangdong Printed Circuit Board f fr1 board 94v0 OSP lead free pcb for LED light - FASTPCBA Technology Co., Ltd- SDE714 |
Supply China Pcb Prototype Suppliers, Manufacturers, Factory - Guangdong Printed Circuit Board f fr1 board 94v0 OSP lead free pcb for LED light - FASTPCBA Technology Co., Ltd- SDE715 |
Supply China Pcb Prototype Suppliers, Manufacturers, Factory - Guangdong Printed Circuit Board f fr1 board 94v0 OSP lead free pcb for LED light - 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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Pb |
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As |
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≤2 |
≤2 |
≤2 |
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Hg |
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≤3 |
≤3 |
≤3 |
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