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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 Copper Clad Pcb Suppliers, Manufacturers, Factory - High definition AHD PCB board 2MP 1080P CCTV AHD board camera pcb - 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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Flexible Printed Circuit Board Manufacturers Suppliers, Manufacturers, Factory - China Factory LED Rigid PCB For Street Light, Aluminum PCB Mounted 3w High Power LED - FASTPCBA Technology Co., Ltd- SDE711 |
Flexible Printed Circuit Board Manufacturers Suppliers, Manufacturers, Factory - China Factory LED Rigid PCB For Street Light, Aluminum PCB Mounted 3w High Power LED - FASTPCBA Technology Co., Ltd- SDE712 |
Flexible Printed Circuit Board Manufacturers Suppliers, Manufacturers, Factory - China Factory LED Rigid PCB For Street Light, Aluminum PCB Mounted 3w High Power LED - FASTPCBA Technology Co., Ltd- SDE713 |
Flexible Printed Circuit Board Manufacturers Suppliers, Manufacturers, Factory - China Factory LED Rigid PCB For Street Light, Aluminum PCB Mounted 3w High Power LED - FASTPCBA Technology Co., Ltd- SDE714 |
Flexible Printed Circuit Board Manufacturers Suppliers, Manufacturers, Factory - China Factory LED Rigid PCB For Street Light, Aluminum PCB Mounted 3w High Power LED - FASTPCBA Technology Co., Ltd- SDE715 |
Flexible Printed Circuit Board Manufacturers Suppliers, Manufacturers, Factory - China Factory LED Rigid PCB For Street Light, Aluminum PCB Mounted 3w High Power LED - 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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