1. Physical Description:

Macro Pored Silica Gel

Shape: pellets or lumps.
Average pore diameter: 8.0-10.0 nm.
Pore volume: 0.8-1.0 m2/g.

Thermal conductivity:

0.167kj/m.hr.℃
Color: white.
Specific surface area: 300 400 m2/g.

Specific heat:0.92 kj/kg.℃

2. Application Field:

Used for moisture-proof packing.
Used for dehydration and purification of industrial gases.
Used for removing the organic acids and high polymers in the insulation oils.
Used for adsorbing the high molecular proteins in the fermented products during the industrial fermenting process.
Used as catalysts and catalyst carriers, etc.

ITEM	Unit	Superior class		First class				Qualified class		Typical Value
Size	mm	4-8	2-5.6	4-8	2-5.6			4-8	2-5.6	Typical Value
Qualified Size Ratio	≥%	94	94	90	90			90	90	100
Attrition Rate	≤%	4	6	6	8			8	10	0.5
Bulk Density	≥g/l	400	400	400	400			400	400	440
Pore Volume	≥ml/g	0.85	0.85	0.75		0.75		0.72	0.72	0.91
Qualified Ratio of Sherical Granules	≥%	78	78	75		75		--	--	93
Loss on Heating	≤%	5	5	5		5	5		5	2.4