:: Characteristics :: transparent or translucent glass-likepellet or lump. average pore diameter:2.0-3.0 rim . specificsurface area: 650-800 m2/g pore volume : 0.35-0.45 ml/g. specificheat : 0.92 KJ/kg. thermal conductivity: 0.63 KJ/m.hr. :: Use ::Mainly used for drying and moistureproof, may also be used ascatalyst carriers, absorbents, separators and variable-pressureabsorbents, etc :: Technical data:: ITEM Specifications Typicalvalues Superior class First class Qualified class Adsorptioncapacity RH=20%,% ≥ 8.0 7.0 6.0 11.2 RH=50%,% ≥ 20.0 19.0 18.0 29.2RH=90%,% ≥ 30.0 29.0 28.0 37.6 Loss on heating % ≤ 2.0 4.0 6.0 1.0PHOL 4-8 -- -- 4 Specific resistance s,.cm ≥ 3000 -- -- 5630 Silica% ≥ 98 -- -- 98.5 Qualified ratic of spherical granules % ≥ 82 ---- 90 Size * * * 2-5mm Bulk density g/L * * * 784 Note: qualifiedratio of spherical granules is only applicable to fine-pored silicagel :: Size :: 0.5-1.5mm . 0.5-1mm . 2-4mm . 2-5mm . 4-8mm. ::Packing :: 25 kg per bag or 500 kg per bag,net. :: Note :: Themoisture content, packing and size may be customized per yourspecific requirements.