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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,Custom Electronic Assembly Services Inc Suppliers, Manufacturers, Factory - High quality PET flexible pcb/fpc pcb board with silver paste - 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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OEM Pcb Assembly Cost Suppliers, Manufacturers, Factory - printed circuit board Mass production PCB assembly for LED lighting ,LED PCBA LED MOUDLE - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Pcb Assembly Cost Suppliers, Manufacturers, Factory - printed circuit board Mass production PCB assembly for LED lighting ,LED PCBA LED MOUDLE - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Pcb Assembly Cost Suppliers, Manufacturers, Factory - printed circuit board Mass production PCB assembly for LED lighting ,LED PCBA LED MOUDLE - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Pcb Assembly Cost Suppliers, Manufacturers, Factory - printed circuit board Mass production PCB assembly for LED lighting ,LED PCBA LED MOUDLE - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Pcb Assembly Cost Suppliers, Manufacturers, Factory - printed circuit board Mass production PCB assembly for LED lighting ,LED PCBA LED MOUDLE - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Pcb Assembly Cost Suppliers, Manufacturers, Factory - printed circuit board Mass production PCB assembly for LED lighting ,LED PCBA LED MOUDLE - 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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Supply Pcba Process - High quality SMT service for Shenzhen manufacturers PCB - 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 |
Custom Copper Pcb - Advanced integrated circuit CD4077 - FASTPCBA Technology Co., Ltd |
Custom Copper Pcb - Advanced integrated circuit CD4077 - FASTPCBA Technology Co., Ltd |
Custom Copper Pcb - Advanced integrated circuit CD4077 - FASTPCBA Technology Co., Ltd |
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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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Custom Copper Pcb - Advanced integrated circuit CD4077 - FASTPCBA Technology Co., Ltd |
Custom Copper Pcb - Advanced integrated circuit CD4077 - FASTPCBA Technology Co., Ltd |
Custom Copper Pcb - Advanced integrated circuit CD4077 - FASTPCBA Technology Co., Ltd |
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Pb |
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Custom Pcb Assembly Express Suppliers, Manufacturers, Factory - LZ Street Light LED PCB Aluminum PCB For Led MCPCB Board Printed Electronic Circuit Board - FASTPCBA Technology Co., Ltd |
Custom Pcb Assembly Express Suppliers, Manufacturers, Factory - LZ Street Light LED PCB Aluminum PCB For Led MCPCB Board Printed Electronic Circuit Board - FASTPCBA Technology Co., Ltd |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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