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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 Printed Circuit Board Supplier - china ems customized electronic 2layer 4layer fr4 94v0 blank hasl circuit board design manufacturer pcb - FASTPCBA Technology Co., Ltdmade: friction type, mixed type and thickening type.
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Product Series |
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Pcb Online Suppliers, Manufacturers, Factory - 9 * 15cm Fibre Glass Circuit Board ideal Fibre Glass Circuit Board Mini DIY Project Glass Fibre Circuit Board - FASTPCBA Technology Co., Ltd |
Diy Printed Circuit Board Suppliers, Manufacturers, Factory - PCBA smt assembly PCB prototype/tablet circuit board/pcb driver circuit board - FASTPCBA Technology Co., Ltd |
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Type |
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China Pcb Printing And Assembly - DH-A2E ariba registration bga profile in define the term computer - FASTPCBA Technology Co., Ltd- SDE710 |
China Pcb Printing And Assembly - DH-A2E ariba registration bga profile in define the term computer - FASTPCBA Technology Co., Ltd- SDE711 |
China Pcb Printing And Assembly - DH-A2E ariba registration bga profile in define the term computer - FASTPCBA Technology Co., Ltd- SDE712 |
China Pcb Printing And Assembly - DH-A2E ariba registration bga profile in define the term computer - FASTPCBA Technology Co., Ltd- SDE713 |
China Pcb Printing And Assembly - DH-A2E ariba registration bga profile in define the term computer - FASTPCBA Technology Co., Ltd- SDE714 |
China Pcb Printing And Assembly - DH-A2E ariba registration bga profile in define the term computer - FASTPCBA Technology Co., Ltd- SDE715 |
China Pcb Printing And Assembly - DH-A2E ariba registration bga profile in define the term computer - 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 6 Layer Pcb - Green Single-sided Tin-Plated Universal Board 70x90cm thickness 1.6 High-quality Glass Fiber Board Experiment Board - FASTPCBA Technology Co., Ltd |
China 6 Layer Pcb - Green Single-sided Tin-Plated Universal Board 70x90cm thickness 1.6 High-quality Glass Fiber Board Experiment Board - 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 |
|
China 6 Layer Pcb - Green Single-sided Tin-Plated Universal Board 70x90cm thickness 1.6 High-quality Glass Fiber Board Experiment Board - FASTPCBA Technology Co., Ltd |
China 6 Layer Pcb - Green Single-sided Tin-Plated Universal Board 70x90cm thickness 1.6 High-quality Glass Fiber Board Experiment Board - FASTPCBA Technology Co., Ltd |
China 6 Layer Pcb - Green Single-sided Tin-Plated Universal Board 70x90cm thickness 1.6 High-quality Glass Fiber Board Experiment Board - FASTPCBA Technology Co., Ltd |
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Pb |
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As |
|
≤2 |
≤2 |
≤2 |
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Hg |
|
≤3 |
≤3 |
≤3 |
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