High Quality Narrow-Pored White Silica Gel

• Transport Package: Bags, Drums, Box
• Specification: 25kgs, 500kgs, 1000kgs
• Trademark: Hiland
• Origin: China
• Model NO.: type A, fine pore
• HS Code: 281122
• Production Capacity: 60000000

Product Description

Product Name: White silica gel

Product Description:
transparent or translucent beads or granulars.
Average pore diameter: 2.0-3.0nm.
specific surface area: 650-800 m2 /g,
pore volume: 0.35-0.45ml/g.
specific heat : 0.92 KJ/kg ..ºCºC.
thermal 0 .63 KJ/m hr ..ºCºC. Fast adsorption,
Chemically stable, Nontoxic, tasteless, Its selective adsorptive capability is high.
Formula SiO2. n (H2O) (amorphous silicon dioxide)
CAS No. 7631-86-9 (silica)
Characteristics 

Item		standard
		beads	granular
Adsorption Capacity , %	RH=20% ≥ %	10.5	10.5
	RH=50% ≥ %	25.0	25.0
	RH=90% ≥ %	36.0	36.0
Ratio of size Qualified,%≥		95	95
PH		4-8	4-8
Specific Resistance, .cm   ≥		3000	3000
Silica,%  ≥		99	99
Bulk Density, g/l  ≥		750	700
Qualified Ratio of Spherical Granules ,% ≥		90	--
Loss on Heating, %  ≤		1.5	1.5

Grain form Spherical or Granular
Sizes 0.5-1.5mm, 1-2mm, 1-3mm, 2-4mm, 2-5mm, 3-5mm in Spherical
0.2-0.7mm, 0.7 - 1.5 mm,1.0 - 3.15 mm,2-4mm,2.0 - 6.0 mm,3-6mm in Granular