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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,OEM High Speed Pcb Suppliers, Manufacturers, Factory - double layers PCB assembly fpc flexible Circuits &circuit boards SMT - FASTPCBA Technology Co., Ltdmade: friction type, mixed type and thickening type.
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Product Series |
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China Flexible Printed Circuit - Shenzhen pcba, tablet 3.0 usb pd hub charging circuit board with power bank charge - FASTPCBA Technology Co., Ltd |
China Pcb Assembly Suppliers - 2018 Factory Price Double Layer PCB for Household Application FR-4 PCB Sample - FASTPCBA Technology Co., Ltd |
Custom Assy Board - High performance clear silicon epoxy washable fabric waterproof coating - FASTPCBA Technology Co., Ltd |
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Type |
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Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE710 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE711 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE712 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE713 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE714 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - FASTPCBA Technology Co., Ltd- SDE715 |
Custom Prototype Pcb Assembly Services - polyimide fpc, custom double sided fpc prototype flexible pcb - 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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Custom Circuit Board Printing Suppliers, Manufacturers, Factory - shenzhen OEM company FR4 10-layer pcb with milled grooves - FASTPCBA Technology Co., Ltd |
% |
≥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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OEM Custom Pcb Manufacturer Suppliers, Manufacturers, Factory - DH-G200 service ariba brand new computers for sale in on the computer - FASTPCBA Technology Co., Ltd |
OEM Custom Pcb Manufacturer Suppliers, Manufacturers, Factory - DH-G200 service ariba brand new computers for sale in on the computer - FASTPCBA Technology Co., Ltd |
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≤1.0 |
≤1.0 |
≤1.0 |
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Microbial Content |
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OEM Pcb Components Suppliers, Manufacturers, Factory - FR-4 Circuit Board Fast PCB board fabrication - FASTPCBA Technology Co., Ltd |
OEM Pcb Components Suppliers, Manufacturers, Factory - FR-4 Circuit Board Fast PCB board fabrication - FASTPCBA Technology Co., Ltd |
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Pb |
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Custom Integrated Circuit Board Suppliers, Manufacturers, Factory - Mini 220-230V AC Contactor - FASTPCBA Technology Co., Ltd |
Custom Integrated Circuit Board Suppliers, Manufacturers, Factory - Mini 220-230V AC Contactor - FASTPCBA Technology Co., Ltd |
Custom Integrated Circuit Board Suppliers, Manufacturers, Factory - Mini 220-230V AC Contactor - FASTPCBA Technology Co., Ltd |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
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≤3 |
≤3 |
≤3 |
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