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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 Laser Pcb Suppliers, Manufacturers, Factory - Aluminum base led light printed circuit board,led tube pcb for led street light,OEM manufacturer From Cirket Factory - 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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Supply Smt Pcb Manufacturer Suppliers, Manufacturers, Factory - C-3270 Semiautomatic Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE711 |
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Supply Smt Pcb Manufacturer Suppliers, Manufacturers, Factory - C-3270 Semiautomatic Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE713 |
Supply Smt Pcb Manufacturer Suppliers, Manufacturers, Factory - C-3270 Semiautomatic Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE714 |
Supply Smt Pcb Manufacturer Suppliers, Manufacturers, Factory - C-3270 Semiautomatic Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE715 |
Supply Smt Pcb Manufacturer Suppliers, Manufacturers, Factory - C-3270 Semiautomatic Solder Paste Printer - 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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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 |
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≤2 |
≤2 |
≤2 |
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Hg |
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≤3 |
≤3 |
≤3 |
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