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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 Rigid Pcb - IP68 under water led strip light smd2216 1800K-2700K can be designed with heat resistant PCB for swimming pool decoration - 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 Surface Mount Assembly - PCB /PCBA design,bom gerber files multilayer PCB,prototype PCB - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Surface Mount Assembly - PCB /PCBA design,bom gerber files multilayer PCB,prototype PCB - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Surface Mount Assembly - PCB /PCBA design,bom gerber files multilayer PCB,prototype PCB - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Surface Mount Assembly - PCB /PCBA design,bom gerber files multilayer PCB,prototype PCB - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Surface Mount Assembly - PCB /PCBA design,bom gerber files multilayer PCB,prototype PCB - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Surface Mount Assembly - PCB /PCBA design,bom gerber files multilayer PCB,prototype PCB - 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 |
|
≤3 |
≤3 |
≤3 |
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