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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 Circuit Board Supplies Suppliers, Manufacturers, Factory - Custom 94v-0 led pcb board led aluminium pcb in shenzhen - 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 Layers - RoHS FR4 94v0 6 layers Immersion Tin PCB / PCB circuit board manufacturer - FASTPCBA Technology Co., Ltd- SDE710 |
OEM Pcb Layers - RoHS FR4 94v0 6 layers Immersion Tin PCB / PCB circuit board manufacturer - FASTPCBA Technology Co., Ltd- SDE711 |
OEM Pcb Layers - RoHS FR4 94v0 6 layers Immersion Tin PCB / PCB circuit board manufacturer - FASTPCBA Technology Co., Ltd- SDE712 |
OEM Pcb Layers - RoHS FR4 94v0 6 layers Immersion Tin PCB / PCB circuit board manufacturer - FASTPCBA Technology Co., Ltd- SDE713 |
OEM Pcb Layers - RoHS FR4 94v0 6 layers Immersion Tin PCB / PCB circuit board manufacturer - FASTPCBA Technology Co., Ltd- SDE714 |
OEM Pcb Layers - RoHS FR4 94v0 6 layers Immersion Tin PCB / PCB circuit board manufacturer - FASTPCBA Technology Co., Ltd- SDE715 |
OEM Pcb Layers - RoHS FR4 94v0 6 layers Immersion Tin PCB / PCB circuit board manufacturer - 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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Wholesale Pcb Assembly Main Suppliers, Manufacturers, Factory - Printed Circuit Board FR-4 94V-0 PCB Fabrication Prototype - FASTPCBA Technology Co., Ltd |
Wholesale Pcb Assembly Main Suppliers, Manufacturers, Factory - Printed Circuit Board FR-4 94V-0 PCB Fabrication Prototype - 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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Wholesale Pcb Assembly Main Suppliers, Manufacturers, Factory - Printed Circuit Board FR-4 94V-0 PCB Fabrication Prototype - FASTPCBA Technology Co., Ltd |
Wholesale Pcb Assembly Main Suppliers, Manufacturers, Factory - Printed Circuit Board FR-4 94V-0 PCB Fabrication Prototype - FASTPCBA Technology Co., Ltd |
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Pb |
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China Custom Pcb Manufacturer Suppliers, Manufacturers, Factory - DH-5830 Automotive tool smd soldering flux of computer table - FASTPCBA Technology Co., Ltd |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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