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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 Multilayer Pcb Fabrication Suppliers, Manufacturers, Factory - Economic and Reliable pcb for electronic mosquito killer - 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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Wholesale Types Of Printed Circuit Board Suppliers, Manufacturers, Factory - Factory Direct Sale Most Popular stamping emf shielding stainless steel rfi emi smt shield for computer, PCB and Phone etc - FASTPCBA Technology Co., Ltd- SDE711 |
Wholesale Types Of Printed Circuit Board Suppliers, Manufacturers, Factory - Factory Direct Sale Most Popular stamping emf shielding stainless steel rfi emi smt shield for computer, PCB and Phone etc - FASTPCBA Technology Co., Ltd- SDE712 |
Wholesale Types Of Printed Circuit Board Suppliers, Manufacturers, Factory - Factory Direct Sale Most Popular stamping emf shielding stainless steel rfi emi smt shield for computer, PCB and Phone etc - FASTPCBA Technology Co., Ltd- SDE713 |
Wholesale Types Of Printed Circuit Board Suppliers, Manufacturers, Factory - Factory Direct Sale Most Popular stamping emf shielding stainless steel rfi emi smt shield for computer, PCB and Phone etc - FASTPCBA Technology Co., Ltd- SDE714 |
Wholesale Types Of Printed Circuit Board Suppliers, Manufacturers, Factory - Factory Direct Sale Most Popular stamping emf shielding stainless steel rfi emi smt shield for computer, PCB and Phone etc - FASTPCBA Technology Co., Ltd- SDE715 |
Wholesale Types Of Printed Circuit Board Suppliers, Manufacturers, Factory - Factory Direct Sale Most Popular stamping emf shielding stainless steel rfi emi smt shield for computer, PCB and Phone etc - 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 |
|||||||||
|
Na2SO4 |
mg/kg |
≤0.4 |
≤0.4 |
≤0.4 |
|||||||||
|
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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