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DMF Free White Silica Gel Manufacturer1
Chemical Auxiliary CatalystSilica GelSilica Gel White
Pingxiang Xingfeng Chemical Packing Co., Ltd.
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Product Description DMF free white Silica Gel ManufacturerFine-pored white silica gel includes fine-pored spherical silica gel and fine-pored lumpy silica gel, which are transparent or semitransparent glasslike in appearance. Product Features* Average pore diameter: 2. 0-3.0nm* Specific surface: 650-800m2/g,* Pore volume: 0.35-0.45ml/g* Specific heat: 0.92KJ/kg. oC* Heat conductivity: 0.63KJ/m. Hr. oC* Fine-pored silica gel is also called Type-A silica gel. ApplicationThe gel is mainly used for desiccation and moisture absorption, and as catalyst carrier, adsorbent, separating agent and pressure-swing absorber as well. Product specificationsItemTypical DataAbsorptive capacityRH=20%, % ≥11.2RH=50%, % ≥29.2RH=90%, % ≥37.6Heat loss%≤1.0pH Value 4Specific resistanceΩ.cm≥5630Silicon dioxide content%≥ 98.5Percent of pass of spherical particle%≥90Granularitymm3-5 Bulk densityg/L784
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