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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,What Is Pcb Assembly Suppliers, Manufacturers, Factory - China Aluminum LED PCB, SMD LED PCB Circuit 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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Pcb Support Suppliers, Manufacturers, Factory - IN-T8W IP68 Freezer Refrigerator Aquarium Greenhouse Fish Tank Pool Waterproof 8W 14W 18W 24W 36W T8 LED Fluorescent Tube Light - FASTPCBA Technology Co., Ltd- SDE712 |
Pcb Support Suppliers, Manufacturers, Factory - IN-T8W IP68 Freezer Refrigerator Aquarium Greenhouse Fish Tank Pool Waterproof 8W 14W 18W 24W 36W T8 LED Fluorescent Tube Light - FASTPCBA Technology Co., Ltd- SDE713 |
Pcb Support Suppliers, Manufacturers, Factory - IN-T8W IP68 Freezer Refrigerator Aquarium Greenhouse Fish Tank Pool Waterproof 8W 14W 18W 24W 36W T8 LED Fluorescent Tube Light - FASTPCBA Technology Co., Ltd- SDE714 |
Pcb Support Suppliers, Manufacturers, Factory - IN-T8W IP68 Freezer Refrigerator Aquarium Greenhouse Fish Tank Pool Waterproof 8W 14W 18W 24W 36W T8 LED Fluorescent Tube Light - FASTPCBA Technology Co., Ltd- SDE715 |
Pcb Support Suppliers, Manufacturers, Factory - IN-T8W IP68 Freezer Refrigerator Aquarium Greenhouse Fish Tank Pool Waterproof 8W 14W 18W 24W 36W T8 LED Fluorescent Tube Light - 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） |
|
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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