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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,China Custom Printed Circuit Board - EMS turnkey service electronics PCBA prototype and pcb assembly PCB and PCBA - FASTPCBA Technology Co., Ltdmade: friction type, mixed type and thickening type.
Product Series |
|
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Type |
|
OEM Printed Circuit Board Assembly Services - Proto board express pcb manufacturing and assembly - FASTPCBA Technology Co., Ltd- SDE710 |
OEM Printed Circuit Board Assembly Services - Proto board express pcb manufacturing and assembly - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Printed Circuit Board Assembly Services - Proto board express pcb manufacturing and assembly - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Printed Circuit Board Assembly Services - Proto board express pcb manufacturing and assembly - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Printed Circuit Board Assembly Services - Proto board express pcb manufacturing and assembly - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Printed Circuit Board Assembly Services - Proto board express pcb manufacturing and assembly - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Printed Circuit Board Assembly Services - Proto board express pcb manufacturing and assembly - 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 |
|||||||||||
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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Wholesale Pcb Company - Electronic PCB board for wifi thermostat products, manufactured by gerber file - FASTPCBA Technology Co., Ltd |
Wholesale Pcb Company - Electronic PCB board for wifi thermostat products, manufactured by gerber file - FASTPCBA Technology Co., Ltd |
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Al2O3 |
ppm |
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|
≤1.0 |
≤1.0 |
≤1.0 |
|||||||||
Microbial Content |
|
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Wholesale Pcb Company - Electronic PCB board for wifi thermostat products, manufactured by gerber file - FASTPCBA Technology Co., Ltd |
Wholesale Pcb Company - Electronic PCB board for wifi thermostat products, manufactured by gerber file - FASTPCBA Technology Co., Ltd |
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Pb |
|
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OEM Pwb Circuit Board Suppliers, Manufacturers, Factory - IP20 DC 12V 2.88W 80RA SMD3528 120D/Meter Strip LED with CE/Rhos certification - FASTPCBA Technology Co., Ltd |
OEM Pwb Circuit Board Suppliers, Manufacturers, Factory - IP20 DC 12V 2.88W 80RA SMD3528 120D/Meter Strip LED with CE/Rhos certification - FASTPCBA Technology Co., Ltd |
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As |
|
≤2 |
≤2 |
≤2 |
|||||||||
Hg |
|
≤3 |
≤3 |
≤3 |