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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,Custom Electronic Contract Manufacturing Companies - One Stop Service 94v-0 Motherboard PCB Assembly Manufacturer - 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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China 4 Layer Pcb - Ethernet Switch PCB Board and Components Assembly - FASTPCBA Technology Co., Ltd- SDE710 |
China 4 Layer Pcb - Ethernet Switch PCB Board and Components Assembly - FASTPCBA Technology Co., Ltd- SDE711 |
China 4 Layer Pcb - Ethernet Switch PCB Board and Components Assembly - FASTPCBA Technology Co., Ltd- SDE712 |
China 4 Layer Pcb - Ethernet Switch PCB Board and Components Assembly - FASTPCBA Technology Co., Ltd- SDE713 |
China 4 Layer Pcb - Ethernet Switch PCB Board and Components Assembly - FASTPCBA Technology Co., Ltd- SDE714 |
China 4 Layer Pcb - Ethernet Switch PCB Board and Components Assembly - FASTPCBA Technology Co., Ltd- SDE715 |
China 4 Layer Pcb - Ethernet Switch PCB Board and Components Assembly - 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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China Electronic Manufacturing Services - China PCB Assembly Manufacturer,PCB Electronic Circuit Board - FASTPCBA Technology Co., Ltd |
China Electronic Manufacturing Services - China PCB Assembly Manufacturer,PCB Electronic Circuit Board - FASTPCBA Technology Co., Ltd |
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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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