Character: Transparent or translucent glass-like pellet. Average pore diameter: 2.0-3.0nm; Specific surface area: 650-800m²/g; Pore volume: 0.35-0.45ml/g; Specific heat: 0.92KJ/kg.°C; Thermal conductivity: 0.63KJ/m.hr.°C. Fine-pored Silica Gel's another name is type A silica gel.
Uses: Used for dryness and protection against the tide. It is suitable for catalyzer, sorbent and dissociative carrier.
Sizes: 1-1.5mm, 0.5-1mm, 2-4mm, 2-5mm, 4-8mm

Technical parameter

Item		Specification			Typical values(2-5mm)
		Superior class	First class	Qualified class
Adsorption %	RH=20 ≥	8.0	7.0	7.0	10.5
	RH=50 ≥	20.0	19.0	18.1	28.3
	RH=90 ≥	30.0	29.0	28.3	30.1
Loss on heating %		2.0	2.0	2.0	1.0
PH		4-8	4-8	4-8	5.0
Specific resistance Ω.cm ≥		3000	3000	3000	5400
Silicon dioxide %		98	98	98	98.2
Qualified ratio of spherical granules %		85	85	85	90