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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,Ems Contract Manufacturing Suppliers, Manufacturers, Factory - Charmhigh pick and place machine TM245P-make sample,prototype PCB,PCBA line - 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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Supply Printed Circuit Board Process - ETA Full Automatic SMT Stencil Printer P4034 for PCB , SMT Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE710 |
Supply Printed Circuit Board Process - ETA Full Automatic SMT Stencil Printer P4034 for PCB , SMT Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE711 |
Supply Printed Circuit Board Process - ETA Full Automatic SMT Stencil Printer P4034 for PCB , SMT Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE712 |
Supply Printed Circuit Board Process - ETA Full Automatic SMT Stencil Printer P4034 for PCB , SMT Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE713 |
Supply Printed Circuit Board Process - ETA Full Automatic SMT Stencil Printer P4034 for PCB , SMT Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE714 |
Supply Printed Circuit Board Process - ETA Full Automatic SMT Stencil Printer P4034 for PCB , SMT Solder Paste Printer - FASTPCBA Technology Co., Ltd- SDE715 |
Supply Printed Circuit Board Process - ETA Full Automatic SMT Stencil Printer P4034 for PCB , SMT Solder Paste Printer - 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） |
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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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Pcb Pcba Suppliers, Manufacturers, Factory - Shenzhen OEM Electronic PCB&PCBA Assembly Manufacturer and PCBA, PCB Assembly Manufacturing - FASTPCBA Technology Co., Ltd |
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As |
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≤2 |
≤2 |
≤2 |
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Hg |
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≤3 |
≤3 |
≤3 |
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