[Character]
The narrow pore silica gel include narrow pore sphericity silica gel and narrow pore massive silica gel, the apperance is vitreous, clear or translucent. Average aperture 2.0-3.0nm, specific surface 650-800m²/g,the cubage of pore 0.35-0.45ml/g,specific heat 0.92KJ/kg.,thermal conductivity 0.63KJ/m.hr.,narrow pore is also named type A silica gel.
[Action]
It is mainly used in dryingpreventing being affected with humidity, also can be used as the carrier of activatorsorbentseparating medium and transformation adsorption and so on.            

[spec] 0.5-1.5mm0.5-1mm2-4mm2-5mm4-8mm.
[packing] net weight is 25kg or 500kg each bag.
[remark] the water content packing and spec can be made according to users'  demands.