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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,China Proteus Pcb Suppliers, Manufacturers, Factory - Cutomerized competitive pcba manufacture pcba smt service 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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Printed Wiring Board Suppliers, Manufacturers, Factory - PCBA usb charging pd hub type C circuit pcb board with battery charging - FASTPCBA Technology Co., Ltd- SDE711 |
Printed Wiring Board Suppliers, Manufacturers, Factory - PCBA usb charging pd hub type C circuit pcb board with battery charging - FASTPCBA Technology Co., Ltd- SDE712 |
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Printed Wiring Board Suppliers, Manufacturers, Factory - PCBA usb charging pd hub type C circuit pcb board with battery charging - FASTPCBA Technology Co., Ltd- SDE714 |
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Printed Wiring Board Suppliers, Manufacturers, Factory - PCBA usb charging pd hub type C circuit pcb board with battery charging - 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 |
|||||||||
|
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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Supply Bare Pcb Manufacturing - Security electronic assembly manufacturing - FASTPCBA Technology Co., Ltd |
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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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