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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,Supply Pcb Standoffs - circuit control aluminum lcd TV motherboard fr4 printer pcba integrated electronic 94v0 rohs pcb board assembly facttory - 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 Pwb Circuit Board - Decorative l 5050 smd Led Strip Light Bar ip65 waterproof flexible led strip light constant Current - FASTPCBA Technology Co., Ltd- SDE713 |
China Pwb Circuit Board - Decorative l 5050 smd Led Strip Light Bar ip65 waterproof flexible led strip light constant Current - FASTPCBA Technology Co., Ltd- SDE714 |
China Pwb Circuit Board - Decorative l 5050 smd Led Strip Light Bar ip65 waterproof flexible led strip light constant Current - FASTPCBA Technology Co., Ltd- SDE715 |
China Pwb Circuit Board - Decorative l 5050 smd Led Strip Light Bar ip65 waterproof flexible led strip light constant Current - 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 |
|
≤3 |
≤3 |
≤3 |
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