4A Molecular Sieve Available in Bulk from Hengye USA

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Description: An alkali metal alumino-silicate, in the sodium form of the Type A crystal structure. Type 4A will adsorb molecules with critical diameters up to 4A (angstroms). All molecules which can be adsorbed on Molecular Sieve Type 3A can be adsorbed on Type 4A.

Applications: Multi-purpose. Used for the dehydration and purification of various hydrocarbon and non-hydrocarbon gas and liquid streams.

Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gases, etc.
Drying of organic liquids such as refrigerants, LPG, and gasoline.
Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia synthesis gas treating)

Regeneration: Type 4A molecular sieve can be regenerated for re-use by purging or evacuating at elevated temperatures. The degree of regeneration (water removal) is dependent on the temperature and humidity of the purge gas

Using a dry purge gas at an inlet temperature of 200-350°C and a pressure of 0.3 ~ 0.5 kg/ cm², heat the molecular sieve bed. As the temperature in outlet reaches 150 ~ 180°C, let the bed cool off.

Handling and Storage: Product must be stored in a dry location (relative humidity <90%) to prevent re-adsorption of water. Opened packages should be resealed to prevent contamination of the product. Whenever possible, rotate stock to use oldest material first.

Molecular Sieve Properties

4A Beaded

Application: PG-4AMS Molecular Sieve is used commercially for dehydration of various gases and liquids, including refrigerants, medicines, electronic components and changeable substances. Also used for the purification of argon gas.

	PG-4A48MS	PG-4A812MS
Generic Name	4x8 Beaded	8x12 Beaded
Minimum Pore Diameter	4A	4A
Shape	Sphere	Sphere
Size	4x8 Mesh	8x12 Mesh
Packaging Density (Bulk)	40-47 LB/Feet	42-48 LB/Feet
Resistance to Break	14-20 LB	7-12 LB
Absorption Capacity	21.5 lbs Water/100 lbs at	21.5 lbs Water/100 lbs at
	25°C & 17.5 MM HG Min.	25°C & 17.5 MM HG Min.
Heat Absorption	1800 BTU/LB H2O	1800 BTU/LB H2O
Specific Heat	0.23 BTU/LB oF	0.23 BTU/LB oF
Moisture Content	1.5% in Maximum Weight	1.5% in Maximum Weight
Size Qualification	≥ 95.0%	≥ 95.0%
Ethylene Absorption	≥ 14.0 MG/G	≥ 14.0 MG/G
Wear Rate	≤ 0.1% Weight	≤ 0.1% Weight
Package: Residual Moisture	≤ 2.5% Weight	≤ 2.5% Weight
Country of Origin	China	China
Packaging	150 KG Steel Drum	150 KG Steel Drum
	(Supersacks Available)	(Supersacks Available)

4A Pellets

Application: Used as dryer for solvents and gases, such as air, N2, argon gas, etc.

	PP-4A116PLT	PP-4A116PLT
Minimum Pore Diameter	4A	4A
Shape	Pellet (extrudates)	Pellet (extrudates)
Size	1/16”	1/8”
Packaging Density (Bulk)	38-46 LB/Feet	38-46 LB/Feet
Resistance to Break	7-12 LB	14-20 LB
Absorption Capacity	21.5 lbs Water/100 lbs at 25°C and 17.5 MM HG Minimum	21.5 lbs Water/100 lbs at 25°C and 17.5 MM HG Minimum
Heat Absorption	1800 BTU/LB H2O	1800 BTU/LB H2O
Specific Heat	0.23 BTU/LB oF	0.23 BTU/LB oF
Moisture Content	1.5% in Maximum Weight	1.5% in Maximum Weight
Size Qualification	95%	95%
Ethylene Absorption	N/A	N/A
Wear Rate	< 0.2%	< 0.2%
Package: Residual Moisture	< 2.5%	< 2.5%
Country of Origin	China	China
Packaging	125KG drum or 1200KG supersack	125KG drum or 1200KG supersack

AB-4A916MS

Application: Typically used in the automotive industry in Air Brakes, especially in trucks.

	AB-4A916MS
Minimum Pore Diameter	4A
Shape	Sphere
Size	9x16 mesh
Packaging Density (Bulk)	≥0.69g/ml
Resistance to Break	≥18N
Absorption Capacity	≥21.5%
Heat Absorption	1800 BTU/LB H2O
Specific Heat	0.23 BTU/LB oF
Moisture Content	≤0.3%
Size Qualification	<9 mesh ≤ 5
	<16 mesh ≤ 0.5
Wear Rate	≤0.1%
Country of Origin	China
Packaging	150 kg Drum or 1000 kg Supersack

DG-4AMS

Application: DG-4AMS Molecular Sieve is used commercially in deep drying natural gas alkane. It is also used fordehydration of various gases and liquids, including refrigerants, medicines, electronic components and changeable substances, and for the purification of argon gas.

	DG-4A48MS
Minimum Pore Diameter	4A
Shape	Sphere
Size	4x8 mesh
Packaging Density (Bulk)	≥0.64g/ml
Resistance to Break	≥90N
Absorption Capacity	≥21.5%
Heat Absorption	1800 BTU/LB H2O
Specific Heat	0.23 BTU/LB oF
Moisture Content	≤1.5%
Size Qualification	<2.5mm ≤ 0.5
	>5mm ≤ 5
Wear Rate	≤0.1%
Country of Origin	China
Packaging	150 kg Drum or 1000 kg Supersack

	DG-4A116PLT	DG-4A18PLT
Minimum Pore Diameter	4A	4A
Shape	Pellet (extrudates)	Pellet (extrudates)
Size	1/16”	1/8”
Packaging Density (Bulk)	≥0.64g/ml	≥0.62g/ml
Resistance to Break	≥35N	≥80N
Absorption Capacity	≥21.5%	≥21.5%
Heat Absorption	1800 BTU/LB H2O	1800 BTU/LB H2O
Specific Heat	0.23 BTU/LB oF	0.23 BTU/LB oF
Moisture Content	≤1.5%	≤1.5%
Wear Rate	≤0.2%wt	≤0.2%wt
Country of Origin	China	China
Packaging	125KG drum or 1000KG supersack	125KG drum or 1000KG supersack

4A H2O ISOTHERM

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