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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 Prototype Printed Circuit Board Assembly - Black solder mask good price good quality pcb led pcb 94v0 printed circuit 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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Flexible Pcb Prototype Suppliers, Manufacturers, Factory - Customized fr4 94v-0 pcb electronics pcb board , OEM PCB PCBA manufacturing - FASTPCBA Technology Co., Ltd- SDE711 |
Flexible Pcb Prototype Suppliers, Manufacturers, Factory - Customized fr4 94v-0 pcb electronics pcb board , OEM PCB PCBA manufacturing - FASTPCBA Technology Co., Ltd- SDE712 |
Flexible Pcb Prototype Suppliers, Manufacturers, Factory - Customized fr4 94v-0 pcb electronics pcb board , OEM PCB PCBA manufacturing - FASTPCBA Technology Co., Ltd- SDE713 |
Flexible Pcb Prototype Suppliers, Manufacturers, Factory - Customized fr4 94v-0 pcb electronics pcb board , OEM PCB PCBA manufacturing - FASTPCBA Technology Co., Ltd- SDE714 |
Flexible Pcb Prototype Suppliers, Manufacturers, Factory - Customized fr4 94v-0 pcb electronics pcb board , OEM PCB PCBA manufacturing - FASTPCBA Technology Co., Ltd- SDE715 |
Flexible Pcb Prototype Suppliers, Manufacturers, Factory - Customized fr4 94v-0 pcb electronics pcb board , OEM PCB PCBA manufacturing - 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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As |
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≤2 |
≤2 |
≤2 |
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Hg |
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≤3 |
≤3 |
≤3 |
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