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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 Circuit Printer Suppliers, Manufacturers, Factory - Prototype Consumer Electronics Products Aluminum Base Pcb 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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China Pcb File - Hot Selling SMD5050 RGB LED Strip For Swimming Pool - FASTPCBA Technology Co., Ltd- SDE712 |
China Pcb File - Hot Selling SMD5050 RGB LED Strip For Swimming Pool - FASTPCBA Technology Co., Ltd- SDE713 |
China Pcb File - Hot Selling SMD5050 RGB LED Strip For Swimming Pool - FASTPCBA Technology Co., Ltd- SDE714 |
China Pcb File - Hot Selling SMD5050 RGB LED Strip For Swimming Pool - FASTPCBA Technology Co., Ltd- SDE715 |
China Pcb File - Hot Selling SMD5050 RGB LED Strip For Swimming Pool - 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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China Surface Mount Pcb Assembly - JR-9201-SD china pcb prototype mp3 recordable sound module - FASTPCBA Technology Co., Ltd |
China Surface Mount Pcb Assembly - JR-9201-SD china pcb prototype mp3 recordable sound module - FASTPCBA Technology Co., Ltd |
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Al2O3 |
ppm |
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Supply Flex Pcb Prototype - 3w 5w 7w 9w 12w 15w 18w 5730SMD 2835SMD LED PCB Circuit Board - FASTPCBA Technology Co., Ltd |
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≤1.0 |
≤1.0 |
≤1.0 |
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Microbial Content |
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China Surface Mount Pcb Assembly - JR-9201-SD china pcb prototype mp3 recordable sound module - FASTPCBA Technology Co., Ltd |
China Surface Mount Pcb Assembly - JR-9201-SD china pcb prototype mp3 recordable sound module - FASTPCBA Technology Co., Ltd |
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Pb |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
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≤3 |
≤3 |
≤3 |
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