Name: Silicon dioxide manufacturers spot gas adsorbent low price, quality is a good use
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Description reviews

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<< rManufacturer|Price onlineQQ2355779403Manager Wang 18826129470/Factory Direct Sales << << r

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<< rManufacturer|Price onlineQQ2355779403Manager Wang 18826129470/Factory Direct Sales<< << r
r Silicon Dioxide
The r white carbon black product is precipitated silica.
r Chinese name silicon dioxide
The English aliases for 'r' include silicon oxide, silica, silicon stone, silidanum, quartz sand, pyroxferrite (filter aid); diatomaceous earth KIESSLGUHR; a red diatomaceous earth chromatographic carrier with a particle size of 60～80 mesh, treated with acid.
CAS Number 14808-60-7
r Molecular weight: 60.084
Molecular formula: SiO2
Molecular formula: O2Si
r Molecular weight: 60.08
Physical and Chemical Properties
Light white, anhydrous powder, odorless and tasteless. With a specific surface area of over 450m2/g, it is a highly active, renewable substance with a porous structure and high thermal stability. It has a strong adsorption capacity for both liquid and gas substances. Its hardness is slightly softer than that of glass. It is insoluble in other chemical solvents, except for hydrofluoric acid and strong alkalis.
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Uses: This product is mainly used as a lubricant, anti-adhesive, and flow aid. It has a strong affinity for drugs, its hydrophilic properties allow it to accelerate the disintegration of tablets, and the particles after disintegration are very small in size.
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R项项目单位指标值
White powder
Heat loss degrees (105°C for 2 hours) % 4.0-7.0
Burning reduction (1000℃) % ≤7.0
R Thickness (Material passing through a 45-mesh sieve) % ≤0.5
rSiO2 (dry product) % ≥93
Na2SO4 percentage ≤1.2
rDBP Oil Absorption Value ml100g 210-240
r specific surface area m2g 155-175
rPH value: 6.5-7.0
r Iron mgkg ≤500
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