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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,Smt Pcb Assembly Suppliers, Manufacturers, Factory - A2018 Contract Manufacturer for PCBA PCB circuit board prototype - 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 Pcb Manufacturing Kit - Automatic SMT assembly line PCB Magazine loader for sales - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Pcb Manufacturing Kit - Automatic SMT assembly line PCB Magazine loader for sales - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Pcb Manufacturing Kit - Automatic SMT assembly line PCB Magazine loader for sales - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Pcb Manufacturing Kit - Automatic SMT assembly line PCB Magazine loader for sales - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Pcb Manufacturing Kit - Automatic SMT assembly line PCB Magazine loader for sales - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Pcb Manufacturing Kit - Automatic SMT assembly line PCB Magazine loader for sales - 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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