fine-pored silica gel

fine-pored silica gelfused for drying and moistureproof,also be used as catalyst carriers,adsorbents,separators

fine-pored silica gelfused for drying and moistureproof,also be used as catalyst carriers,adsorbents,separators

[Product Name] Fine-pored silicon dioxide (Type A Silica gel )

[Characteristics ] Transparent or translucent glass-like pellet or lump.Average pore diameter: 2.0-3.0nm. Specific surface area: 650-800 m2/gPore volume: 0.35-0.45ml/g.Specific heat : 0.92 KJ/kg.°C.Thermal conductivity:0.63 KJ/m.hr.°C.

[Use] Mainly used for drying and moistureproof , may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.

[ Basic quality parameters]

Item		Specifications			Typical values
		Superior class	First class	Qualified class
Adsorption Capacity	RH=20%,  % ≥	10.5	10.0	9.0	11.2
	RH=50%,  % ≥	29.0	28.0	23.0	29.2
	RH=90%,  % ≥	38.0	36.0	34.0	39.0
Loss on heating,            % ≤		2.0	4.0	5.0	1.5
PH value		4-8	--	--	4
Specific resistance,Ω.cm     ≥		3000	--	--	4200
Silica, % ≥		98	*	--	98.5
Qualified ratio of spherical granules,         % ≥		90	*	--	92
Size		*		*	4-8mm
Bulk density,             g/L		*		*	788
*.Negotiable
Note: qualified ratio of spherical granules is only applicable to fine-pored silica gel

[ Size] 0.5-2mm,1-2mm,1-3mm,2-4mm,3-5mm,4-8mm

[ Packing] 25kg/bag or 500kg/bag

fine-pored silica gel