Silica Gel Chemical Formula

Product Overview

Description

Silica Gel for Column Chromatography          

Application 
Mainly used for drying and indicating drying degree or moisture for precise instrument, pharmacy, petrochemical, food, costume, leather, household apparatus,aviation, military industry, high building,  power industry and other industrial air, etc.

Character:

Fine-pored silica gel includes fine-pored spherical silica gel and fine-pored lumpy silica gel, which are transparent or semitransparent glasslike in appearance.

Average pore diameter: 2. 0-3.0nm

Specific surface: 650-800m2/g,

Pore volume: 0.35-0.45ml/g

Specific heat: 0.92KJ/kg. °C

Heat conductivity: 0.63KJ/m. Hr. °C

Other Size: 1-3mm    2-5mm    4-8mm

Package: 25kg OPP bag,   25kg compound bag,    500kg/800kg contain bag

Purpose:

The gel is mainly used for desiccation and moisture absorption, and as catalyst carrier, adsorbent, separating agent and pressure-swing absorber as well.

Note       

The moisture content, packing and size can be adjustable according to customers different requirements.

Others:

OEM service for any special request

Prompt response and delivery time

Most competitive price

Professional and experienced

 

Fine-pored silica gel is also called Type-A silica gel.

Technical Specification:

Item		Typical Data
Absorptive capacity	RH=20%, % ≥	11.2
	RH=50%, % ≥	29.2
	RH=90%, % ≥	37.6
Heat loss	%	≤1.0
pH Value		4
Specific resistance	Ω.cm	≥5630
Silicon dioxide content	%	≥ 98.5
Percent of pass of spherical particle	%	≥90
Granularity	mm	3-5
Stacking density	g/L	784