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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 Smt Pcb Manufacturing Process - Electronic PCB Assembly, Prototype SMT PCB assembly - 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 Pcba Production Suppliers, Manufacturers, Factory - China OEM Custom Flexible PCB / FPC Cable / Flex PCB Manufacturer - FASTPCBA Technology Co., Ltd- SDE710 |
China Pcba Production Suppliers, Manufacturers, Factory - China OEM Custom Flexible PCB / FPC Cable / Flex PCB Manufacturer - FASTPCBA Technology Co., Ltd- SDE711 |
China Pcba Production Suppliers, Manufacturers, Factory - China OEM Custom Flexible PCB / FPC Cable / Flex PCB Manufacturer - FASTPCBA Technology Co., Ltd- SDE712 |
China Pcba Production Suppliers, Manufacturers, Factory - China OEM Custom Flexible PCB / FPC Cable / Flex PCB Manufacturer - FASTPCBA Technology Co., Ltd- SDE713 |
China Pcba Production Suppliers, Manufacturers, Factory - China OEM Custom Flexible PCB / FPC Cable / Flex PCB Manufacturer - FASTPCBA Technology Co., Ltd- SDE714 |
China Pcba Production Suppliers, Manufacturers, Factory - China OEM Custom Flexible PCB / FPC Cable / Flex PCB Manufacturer - FASTPCBA Technology Co., Ltd- SDE715 |
China Pcba Production Suppliers, Manufacturers, Factory - China OEM Custom Flexible PCB / FPC Cable / Flex PCB Manufacturer - 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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China Circuit Layout - China supplier smt pick and place nozzle for all types PCB mounting - FASTPCBA Technology Co., Ltd |
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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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China Circuit Layout - China supplier smt pick and place nozzle for all types PCB mounting - FASTPCBA Technology Co., Ltd |
China Circuit Layout - China supplier smt pick and place nozzle for all types PCB mounting - FASTPCBA Technology Co., Ltd |
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Pb |
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Home Pcb Fabrication Suppliers, Manufacturers, Factory - OEM Electronic PCB Design, PCBA manufacturing and PCB Assembly - FASTPCBA Technology Co., Ltd |
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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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