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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 Led Pcb Board - printed circuit boards pcb fabrication and 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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OEM Pcb Electronic - Guangdong PCBA OEM Immersion Gold 4 layer PCB manufacturer FR-4 94V0 solid printed circuit board producer - FASTPCBA Technology Co., Ltd- SDE710 |
OEM Pcb Electronic - Guangdong PCBA OEM Immersion Gold 4 layer PCB manufacturer FR-4 94V0 solid printed circuit board producer - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Pcb Electronic - Guangdong PCBA OEM Immersion Gold 4 layer PCB manufacturer FR-4 94V0 solid printed circuit board producer - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Pcb Electronic - Guangdong PCBA OEM Immersion Gold 4 layer PCB manufacturer FR-4 94V0 solid printed circuit board producer - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Pcb Electronic - Guangdong PCBA OEM Immersion Gold 4 layer PCB manufacturer FR-4 94V0 solid printed circuit board producer - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Pcb Electronic - Guangdong PCBA OEM Immersion Gold 4 layer PCB manufacturer FR-4 94V0 solid printed circuit board producer - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Pcb Electronic - Guangdong PCBA OEM Immersion Gold 4 layer PCB manufacturer FR-4 94V0 solid printed circuit board producer - 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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