3A Molecular Sieve

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3A Molecular Sieve

Introduction
The pore size of 3A molecular sieve is 3 Å . It does not adsorb any molecular larger than 3 Å. It is an alkali metal alumino-silicate, the potassium form of the typ A crystal structure. 3 Angstrom, is obtained when part of the sodium ions of the 4 Angstrom sieve are replaced by potassium ions. Will adsorb, in sequence of adsorption rate, helium, neon, nitrogen and water.

According to the industrial application specialties, we endue our products with the characters of higher adsorption speed, stronger crushing and anti-contaminative resistance, more cyclic times and longer work-span. All these advantage have made it come to be the most essential and necessary desiccant in the fields of the deep drying, refinery, polymerization for cracked gases, ethylene, propylene and any other non-acidic gases or liquids in petroleum and chemical industrials.

Application
Molecular Sieve 3A is mainly used to remove moisture and can be applied to liquefied and gaseous materials on the whole. The main uses are as follows.
1) Drying of refrigerants (e.g. R22, R134a etc)
2) Removing moisture in paint and PU Plastic
3) Drying of natural gas
4) Cracked Gas Drying.
5) Static dehydration of insulating glass units, whether air filled or gas-filled.
6) Drying of highly polar compounds, such as methanol and ethanol.
7) Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien).
8) Drying of olefins drying, ethanol, etc.

9)Dehydration of many kinds of liquids (say ethanol) air, refrigerant , natural gas or methane , cracked gas, ethylene, ethyne, propylene or butadiene .

Formula : 0.4K2O·0.6Na2O·Al2O3·2.0SiO2·4.5H2O

Technical parameter:

Item	Unit	Target
Shape		Pellet		Sphere
Diameter	mm	1.5-1.7	3.0-3.3	1.7-2.5	3.0-5.0
Size ratio up to grade	% min	98	98	96	96
Bulk density	g/ml min	0.70~0.71
Wear ratio	% max	0.20	0.25	0.20	0.20
Crushing strength	N min	45/cm	60/cm	45/p	60/p
Static adsorption	% min	20.0	20.0	20.0	20.0
Packing water	% max	1.5	1.5	1.5	1.5

This is the typical parameter of this kind, different application require different parameter, please contact us for detail.

Regeneration
Molecular Sieve 3A can be revived for reuse and the required factors for revival are temperature and pressure. To remove the adsorbed moisture and other materials, the revival condition shall be set up considering the features of target material and processing environment. The general revival temperature of Molecular Sieve 3A is about 250℃ and it should not surpass 300℃ at maximum.

Package:

25kg carton box. Inner package, vacuumized with aluminum foil.
55 gallon iron drum.
As requirement of consumers.

Attention:

Do not unpack the goods until using, avoid of exposure in air for a long time.

Should be stuffed as rapid as possible at filling.

Other products:

3A Molecular Sieve , 4A Molecular Sieve , 5A Molecular Sieve , 13X Molecular Sieve, IG-3A Desiccant , 13XACS desiccant, Refrigerant desiccant, 5A Small Oxy-en rich Desiccant

　

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