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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 Pcb Manufacturer Suppliers, Manufacturers, Factory - Electronic PCBA PCB Assembly Manufacturer with UL Certificate - 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 Printed Circuit Board Companies - Embedded Mp3 Fm Radio Tf Card Usb Bluetooth Sound Pcb Board ,Music Car Speaker Bluetooth Audio Circuit Module - FASTPCBA Technology Co., Ltd- SDE711 |
China Printed Circuit Board Companies - Embedded Mp3 Fm Radio Tf Card Usb Bluetooth Sound Pcb Board ,Music Car Speaker Bluetooth Audio Circuit Module - FASTPCBA Technology Co., Ltd- SDE712 |
China Printed Circuit Board Companies - Embedded Mp3 Fm Radio Tf Card Usb Bluetooth Sound Pcb Board ,Music Car Speaker Bluetooth Audio Circuit Module - FASTPCBA Technology Co., Ltd- SDE713 |
China Printed Circuit Board Companies - Embedded Mp3 Fm Radio Tf Card Usb Bluetooth Sound Pcb Board ,Music Car Speaker Bluetooth Audio Circuit Module - FASTPCBA Technology Co., Ltd- SDE714 |
China Printed Circuit Board Companies - Embedded Mp3 Fm Radio Tf Card Usb Bluetooth Sound Pcb Board ,Music Car Speaker Bluetooth Audio Circuit Module - FASTPCBA Technology Co., Ltd- SDE715 |
China Printed Circuit Board Companies - Embedded Mp3 Fm Radio Tf Card Usb Bluetooth Sound Pcb Board ,Music Car Speaker Bluetooth Audio Circuit Module - 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 |
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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 Prototype Manufacturer Suppliers, Manufacturers, Factory - PCB Prototype Supplier Electronic PCB 94V0 Soldering Service Remote Control PCBA Design and Layout Service - FASTPCBA Technology Co., Ltd |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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