silica gel

Product Details

:: Characteristics ::

transparent or translucent glass-like pellet or lump.
average pore diameter:2.0-3.0 rim .
specific surface area: 650-800 m2/g
pore volume : 0.35-0.45 ml/g.
specific heat : 0.92 KJ/kg.
thermal conductivity: 0.63 KJ/m.hr.

:: Use ::
Mainly used for drying and moistureproof, may also be used as catalyst carriers, absorbents, separators and variable-pressure absorbents, etc
:: Technical Data ::

ITEM		Specifications			Typical values
ITEM		Superior class	First class	Qualified class	Typical values
Adsorption capacity	RH=20%,% ≥	8.0	7.0	6.0	11.2
	RH=50%,% ≥	20.0	19.0	18.0	29.2
	RH=90%,% ≥	30.0	29.0	28.0	37.6
Loss on heating % ≤		2.0	4.0	6.0	1.0
PHOL		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: qualified ratio of spherical granules is only applicable to fine-pored silica gel

:: 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 :: The moisture content, packing and size may be customized per your specific requirements.