4A Molecular Sieve

Molecular sieve 4A is also known as molecular sieve sodium with an aperture of about 4 angstroms (0.38nm), can be used for water, Methanol, Alcohol, Hydrogen Sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene, and any other molecular diameter not large than 4A it is one of the most popular molecular sieve for industrial.

Molecular Sieve 4A

Chemical Formula: Na₂O·Al₂O₃·2SiO₂9/2H₂O

Aperture 4A (1A=0.1nm)

CAS No.: 70955-01-0

SiO₂/Al₂O₃ ≈2

Description

Applications

Water treatment-hard water softener, can replace of traditional sulfonated coal in order to save the cost.

Me tallurgrical industry, separating agent, adopt the KA, Rubidum, cesium from brine, for riching, separating and extract in the industry arts & crafts.

Drying for refrigerant

Petrochemical industries-catalyst, desiccant and adsorbents

Automobile-Trace water removal for brake system

Medicine-Ag loaded zeolite antiseptic

Drying for air, natural gas, refrigerant and Hydrocarbons

Specification

	Unit	Beads
Appearance		Beige, faint yellow or terracotta color, No mechanical impurities
Diameter	mm	1.6-2.5	3.0-5.0
Density	g/ml	≥0.74	≥0.72
Granularity	%	≥98.00	≥98.00
Static H₂O Adsorption	%	≥21.5	≥21.5
Crush strength	N	≥35.00	≥80.00
Abrasion Rate	wt%	≤0.2	≤0.2
Moisture content	%	≤1.5	≤1.5