Product Introduction

Zeolite Molecular Sieve 4A is a synthetic zeolite adsorbent with sodium aluminosilicate (Na₂O·Al₂O₃·2SiO₂·xH₂O) as the main component. It has a standard pore size of 4 Å (0.4 nm) and is usually in the form of spherical or strip-shaped particles.

Technical specification

Type		4A
Nominal Pore Diameter		4 angstroms
Chemical Formula		Na₂O . Al₂O₃ . 2SiO₂ . 4.5 H₂O (SiO₂ : Al₂O₃ ≈2)
Shape		Bead			Pellet
Diameter(mm)		20×32mesh	1.6-2.5	3.0-5.0	1/16"	1/8"
Static H₂O Adsorption(%)	25℃, Saturated NaCl, 24h	≥22	≥22	≥22	≥22	≥22
Static H₂O Adsorption(%)	35℃, Saturated NaCl, 24h		≥21.5	≥21.5	≥21.5	≥21.5
Static CH₄O Adsorption(%)	0℃, Saturated Methanol Vapor		≥15	≥15	≥15	≥15
Bulk Density(g/ml)		≥0.70	≥0.74	≥0.72	≥0.66	≥0.66
Crush Strength(N)			≥35	≥85	≥30	≥80
Wear Ratio(%)		≤0.1	≤0.1	≤0.1	≤0.2	≤0.25
Water Content(%)		≤1.5	≤1.5	≤1.5	≤1.5	≤1.5
Particle Ratio(%)		≥95	≥97	≥97	≥96	≥96

Product Uses

Petrochemical Gas and Solvent Drying

Air Separation Equipment for Oxygen and Nitrogen Production and Gas Purification

Natural Gas Dehydration Treatment

Refrigeration System Refrigerant Drying

Pharmaceutical and Fine Chemical Solvent Drying

Insulating Glass Desserts

Phosphorus-Free Detergent Additives

Product Packaging

Standard Packaging: 25kg or 50kg moisture-proof composite bags, lined with PE bags, for moisture and contamination protection.

Sealed Packaging: Available in iron drums or ton bags for sealing, suitable for long-distance transportation and high-humidity environments.

Customized Packaging: Supports 10kg/500kg/1000kg and OEM packaging customization.

Transportation and Storage

Shipping Methods: Sea, land, and air freight are supported. Keep the packaging intact and moisture-proof during transportation.

Storage Conditions: Store in a dry, well-ventilated environment. Keep sealed. Once opened, it is recommended to use as soon as possible or reseal for storage.

FAQ

Q: What is the MOQ?

A: Minimum order is usually 1 ton. Small-batch trial orders are available for some specifications.

Q: What are the common specifications?

A: Commonly available are 1.6–2.5mm, 3–5mm, and 4–8mm spherical shapes, or 1.6mm and 3.2mm strip shapes.

Q: Can you provide samples?

A: Samples of 200g–1kg are available for testing.

Q: What is the delivery time?

A: Regular orders ship in 5–10 days; customized orders ship in 10–20 days.

Q: Do you support OEM?

A: OEM packaging, labeling, and specification customization are supported.

Q: Do you provide test reports?

A: COA test reports and related quality data are available.

Q: Does it require pretreatment before use?

A: Generally, no pretreatment is required. If it gets damp, it can be activated at 200–300°C.

Q: Can you provide long-term, stable supply?

A: Long-term, stable bulk supply is supported.

Q: How to choose a model?

A: Models can be recommended based on gas type, humidity, and equipment conditions.

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