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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,Custom Pcb Prototype - Hot new electronics PCB board heater fan pcb - 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 Cheap Pcb Fabrication Suppliers, Manufacturers, Factory - Double Sided Single Sided Pcb Prototype Manufacturers 94vo Printed Circuit Board, High Quality 94vo Printed Circuit Board,Pcb - FASTPCBA Technology Co., Ltd- SDE712 |
China Cheap Pcb Fabrication Suppliers, Manufacturers, Factory - Double Sided Single Sided Pcb Prototype Manufacturers 94vo Printed Circuit Board, High Quality 94vo Printed Circuit Board,Pcb - FASTPCBA Technology Co., Ltd- SDE713 |
China Cheap Pcb Fabrication Suppliers, Manufacturers, Factory - Double Sided Single Sided Pcb Prototype Manufacturers 94vo Printed Circuit Board, High Quality 94vo Printed Circuit Board,Pcb - FASTPCBA Technology Co., Ltd- SDE714 |
China Cheap Pcb Fabrication Suppliers, Manufacturers, Factory - Double Sided Single Sided Pcb Prototype Manufacturers 94vo Printed Circuit Board, High Quality 94vo Printed Circuit Board,Pcb - FASTPCBA Technology Co., Ltd- SDE715 |
China Cheap Pcb Fabrication Suppliers, Manufacturers, Factory - Double Sided Single Sided Pcb Prototype Manufacturers 94vo Printed Circuit Board, High Quality 94vo Printed Circuit Board,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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