Product Introduction

H-type Silica Alumina Gel is a porous amorphous adsorbent material mainly composed of silica (SiO₂) and alumina (Al₂O₃). It appears as white or pale yellow granules/spheres and possesses the dual adsorption properties of both silica gel and activated alumina.

Product Uses

Air separation unit (PSA oxygen/nitrogen generation system) gas drying

Petrochemical gas and liquid drying and purification

Natural gas dehydration and impurity removal

Industrial compressed air drying system

Refrigeration system desiccant (refrigerant dehydration)

Fine chemical and pharmaceutical intermediate drying

Solvent recovery and gas purification system

Product Packaging

Standard Packaging: 25kg/bag (inner PE bag + outer composite woven bag or paper bag), meeting standard export requirements.

Sealed Packaging: Double-layer moisture-proof and sealed design, effectively preventing moisture absorption and failure during transportation.

Customized Packaging: Supports ton bags (500kg/1000kg), pallet packaging, and OEM label customization to meet the needs of wholesale customers and projects.

Transportation and Storage

Transportation methods: Supports sea, land, and container transportation, and shall be handled in accordance with non-dangerous goods transportation standards.

Storage conditions: Should be stored in a dry, ventilated environment, away from water sources and high humidity areas. Shelf life is typically 12–24 months in unopened condition.

FAQ

Q: What is the Minimum Order Quantity (MOQ)?

A: The standard MOQ is 1 ton, and consolidated orders are supported. For long-term cooperative clients, the MOQ can be flexibly adjusted according to their needs.

Q: Can you provide samples? Is there a charge?

A: Free samples are available (usually 500g–1kg), with shipping costs borne by the customer. These samples are used to test adsorption performance and compatibility.

Q: Do you support customized specifications?

A: Customization of particle size, bulk density, strength, and packaging is supported. Product parameters can be optimized according to different equipment and operating conditions.

Q: How long is the delivery time?

A: Standard products are in ample stock and shipped within 3–7 days; large-volume or customized orders generally take 7–15 days.

Q: How is product quality guaranteed?

A: Each batch undergoes testing for adsorption capacity, strength, and moisture content before leaving the factory, and a Certificate of Analysis (COA) is provided to ensure stable performance.

Q: Do you support third-party testing or inspection?

A: We support third-party testing such as SGS and BV, as well as pre-loading inspection to ensure procurement safety.

Q: Do you have export experience? Which trade terms are supported?

A: We have extensive export experience and support common trade terms such as FOB, CIF, and EXW. We can assist with customs declaration and documentation.

Q: What are the payment methods?

A: We support T/T, wire transfer, L/C, etc. Specific methods can be negotiated based on the order amount and cooperation details.

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Technical Specification

Type		Silica Gel H
Chemical Formula		mSiO₂ . nAl₂O₃ . xH₂O
Appearance		Faint Yellow Bead
Diameter(mm)		1-3, 2-4, 2-5, 3-5
SiO₂(%)		97
Al₂O₃(%)		3
Adsorption Capacity(%wt)	25℃, RH10%	≥5.5
	25℃, RH20%	≥9.0
	25℃, RH40%	≥19.5
	25℃, RH60%	≥34.0
	25℃, RH80%	≥44.0
Bulk Density(g/ml)		0.6-0.8
Crush Strength(N)		≥180
Surface Area(m²/g)		650-750
Pore Volume(cm³/g)		0.4-0.6
Wear Ratio(%)		≤0.1
Water Content(%)		≤3.0