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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 Flex Pcb Assembly - Semi-automatic Screen Printer SMT Solder Paste Printers - 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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Wholesale Copper Clad Pcb - Toys electronics flex pcb board,fpcb flex jumper,1 layer cable flexible pcb board - FASTPCBA Technology Co., Ltd- SDE711 |
Wholesale Copper Clad Pcb - Toys electronics flex pcb board,fpcb flex jumper,1 layer cable flexible pcb board - FASTPCBA Technology Co., Ltd- SDE712 |
Wholesale Copper Clad Pcb - Toys electronics flex pcb board,fpcb flex jumper,1 layer cable flexible pcb board - FASTPCBA Technology Co., Ltd- SDE713 |
Wholesale Copper Clad Pcb - Toys electronics flex pcb board,fpcb flex jumper,1 layer cable flexible pcb board - FASTPCBA Technology Co., Ltd- SDE714 |
Wholesale Copper Clad Pcb - Toys electronics flex pcb board,fpcb flex jumper,1 layer cable flexible pcb board - FASTPCBA Technology Co., Ltd- SDE715 |
Wholesale Copper Clad Pcb - Toys electronics flex pcb board,fpcb flex jumper,1 layer cable flexible pcb board - 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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