4A Molecular Sieve for Air Dryer Desiccants No. | RFQ Sourcing Details
Agriculture · Quote on request
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Product specs
Buyer's Digest
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Original product description
Molecular Sieve 4A Molecular Sieve 4A is an alkali alumino silicate;It is the sodium form of the Type A crystal structure. 4A molecular sieve has an effective pore opening of about 4 angstroms (0.4nm).
Our type 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such adsorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxyde and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded.
Typical Chemical Formula Na2O. Al2O3.2. SiO2.4.5 H2O SiO2: Al2O3 ≈ 2 Application 1) Drying and removing of CO2 from natural gas, LPG, air, inert and athmospheric gases, etc.
2) Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia syn gas treating) 3) Special types are used in the air break units of buses, trucks and locomotives. 4) Packed in small bags, it may be used simply as a packaging desiccant.
Regeneration JINCHENG molecular sieve Type 4A can be regenerated by either heating in the case of thermal swing processes;Or by lowering the pressure in the case of pressure swing processes. To remove moisture from a 4A molecular sieve, a temperature of 250-280° C is required.
A properly regenerated molecular sieve can give moisture dew points below -100° C.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process Size 4A - Zeolites are available in beads of 1-2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh), 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 1.6, 3.2.
Attention To avoid damp and pre-adsorption of organic before running, or must to be reactivated.
Item Unit Technical data Shape Pellet Sphere Diameter mm Size ratio up to grade % ≥98 ≥98 ≥96 ≥96 Bulk density g/ml ≥0.68 ≥0.68 ≥0.68 ≥0.68 Wear ratio % ≤0.20 ≤0.40 ≤0.20 ≤0.20 Crushing strength N ≥30/cm ≥45/cm ≥30/piece ≥70/piece Static water adsorption % ≥20.5 ≥20.5 ≥21 ≥21 Static methanol adsorption % ≥15 ≥15 ≥15 ≥15 Water content, as shipped % ≤1.5 ≤1.5 ≤1.5 ≤1.5 About the Supplier
4A | Applications and Buyer Notes
4A is organized as a sourcing-ready Agriculture reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time questions before s
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Adsorbents and DesiccantsBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Item
- Unit Technical dataBased on visible page data; confirm exact value in the RFQ.
- Kind
- Molecular Sieve DesiccantBased on visible page data; confirm exact value in the RFQ.
- Size
- 1.7-2.5mm, 3-5mmBased on visible page data; confirm exact value in the RFQ.
- Type
- 4ABased on visible page data; confirm exact value in the RFQ.
- Shape
- BeadsBased on visible page data; confirm exact value in the RFQ.
- Origin
- ChinaBased on visible page data; confirm exact value in the RFQ.
Buyer tips
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- Add certification, material or inspection standards when they affect acceptance.
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- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
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Source mix: ugc
Key specifications
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