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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 High Speed Pcb Suppliers, Manufacturers, Factory - double layers PCB assembly fpc flexible Circuits &circuit boards SMT - FASTPCBA Technology Co., Ltdmade: friction type, mixed type and thickening type.
Product Series |
|
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Type |
|
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Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE711 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE712 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE713 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE714 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE715 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible 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 |
|||||||||||
Drying Loss |
% |
4.0~7.0 |
|||||||||||
Ignition loss (dry basis) |
% |
≤7.0 |
≤6.0 |
≤6.0 |
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pHï¼5% aqueous solutionï¼ |
|
7.2~8.5 |
|||||||||||
D50 |
um |
4~15 |
|||||||||||
Sieve Residue 45um |
% |
≤1.5 |
≤1.5 |
≤1.5 |
|||||||||
Cl |
mg/kg |
≤0.1 |
≤0.1 |
≤0.1 |
|||||||||
Na2O |
mg/kg |
≤1 |
≤1 |
≤1 |
|||||||||
Na2SO4 |
mg/kg |
≤0.4 |
≤0.4 |
≤0.4 |
|||||||||
Fe2O3 |
ppm |
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Al2O3 |
ppm |
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|
≤1.0 |
≤1.0 |
≤1.0 |
|||||||||
Microbial Content |
|
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Pb |
|
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As |
|
≤2 |
≤2 |
≤2 |
|||||||||
Hg |
|
≤3 |
≤3 |
≤3 |