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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,Wholesale Pcb Etching Suppliers, Manufacturers, Factory - Electronic print circuit Board PCB manufacturer bare board - 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 Electronics Contract Suppliers, Manufacturers, Factory - 2000w induction cooker electronic controller pcb factory pcb manufacturer - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Electronics Contract Suppliers, Manufacturers, Factory - 2000w induction cooker electronic controller pcb factory pcb manufacturer - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Electronics Contract Suppliers, Manufacturers, Factory - 2000w induction cooker electronic controller pcb factory pcb manufacturer - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Electronics Contract Suppliers, Manufacturers, Factory - 2000w induction cooker electronic controller pcb factory pcb manufacturer - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Electronics Contract Suppliers, Manufacturers, Factory - 2000w induction cooker electronic controller pcb factory pcb manufacturer - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Electronics Contract Suppliers, Manufacturers, Factory - 2000w induction cooker electronic controller pcb factory 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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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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