Desiccant Activated Alumina for air compressor drying gas purification wholesale

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Product Inroduction: Desiccant Activated Alumina for air compressor drying gas purification wholesale

Technical Parameter:

ModelActivated Alumina
AppearanceWhite, Sphere, No Odor, Insoluble In Water,   Innocuous
TypeKA401KA402KA403KA404KA405
Crystal Typex-px-pyyx-p
Chemical CompositionAl2O3 %≥93≥93≥93≥93≥93
Na2O %≤0.3≤0.3≤0.50.15-0.3≤0.3
LOI%≤8≤8≤8≤5≤8
Bulk   Densityg/ml0.68-0.720.70-0.750.65-0.750.70-0.800.75-0.80
Surface   Aream2/g≥300≥300260-300≥300≥300
Pore   Volumeml/g0.30-0.450.30-0.420.40-0.460.40.30-0.50
Static Absorption (RH=60%)%Water AbsorptionFluorine   AbsorptionWater AbsorptionWater AbsorptionWater Absorption
17-190.2-0.35050-7017-19
Active%　　56-62　　
Attrition   Loss%≤1.0≤1.0≤1.0≤0.4≤0.8
Crushing Strength (N/Piece)0.4-1.2mm　≥30　　　
1-2mm≥40≥40　　　
2-3mm≥70≥70　　　
3-5mm≥150　≥150≥150≥150
4-6mm≥180　≥180≥180≥180
5-7mm≥200　　　≥200
6-8mm≥300　　　≥300
8-10mm≥350　　　　
10-13mm≥350　　　　
12-14mm≥350　　　　
　      
Typical   ApplicationKA401: is for as adsorbent
KA402: is for defluorinating
KA403: is for absorption in   producing hydrogen peroxide (H2O2)
KA404: is for catalyst carrier
KA405: is for dehydrating and   drying in air separation etc.
Warrantya) By National Standard HG/T 3927-2007
b) b) Offer lifetime   consultation on problems occurred

1. What is Activated Alumina?

Activated Alumina is a porous aluminum oxide (Al₂O₃) material with high surface area and strong adsorption capacity. It’s available in spheres, pellets, or powder, widely used for drying, water treatment, and as a catalyst carrier.

2. How is Activated Alumina different from regular alumina?

Regular alumina (like α-Al₂O₃) has low surface area and is mainly used in ceramics and abrasives.
Activated Alumina (like γ-Al₂O₃) has a high surface area (200–400 m²/g) and is ideal for adsorption and catalysis.

3. What are the key features of Activated Alumina?

– High surface area (200–400 m²/g)

– Porous structure (micro, meso, and macropores)

– Strong adsorption for water, fluoride, and organics

– Good thermal stability (up to 600°C)

– Resistant to acids and bases (but avoid strong acids/alkalis)

4. How is Activated Alumina made?

Common methods include:

– Calcining aluminum hydroxide

– Sol-gel process for high-purity grades

– Precipitation and calcination

– Pore adjustment using additives

5.What are the main uses of Activated Alumina?

– Desiccant: For drying gases, air, and natural gas

– Water treatment: Removes fluoride and heavy metals

– Catalyst carrier: For petrochemicals and automotive catalysts

– Other: Chromatography, pharmaceuticals, electronics

6.Why is Activated Alumina effective in water treatment?

Its surface hydroxyl groups allow it to adsorb:

Fluoride

Arsenic, lead, and other metals

Phosphate (to prevent algae growth)

7. How does Activated Alumina work as a desiccant?

It physically adsorbs water due to its porous structure:

Higher water capacity than silica gel

Heat-resistant and reusable

Ideal for deep drying (dew points below -70°C)

8.How do you regenerate Activated Alumina?

Thermal: Heat at 150–300°C for 2–4 hours

Chemical: Use acid or alkali solutions for certain applications
Note: Avoid overheating (>600°C) to prevent pore collapse.

9.What is the service life of Activated Alumina?

Depends on application:

Gas drying: 3–5 years with regular regeneration

Water treatment: 6–12 months, then replace

Catalyst use: Replace or regenerate as needed

10. Is Activated Alumina safe?

Yes. Food-grade and pharmaceutical-grade products are safe for drinking water treatment.
Tip: Avoid inhaling dust—wear a mask during handling.

11. How to select the right Activated Alumina?

Desiccant: High surface area (>300 m²/g), 3–5 mm size

Water treatment: High fluoride capacity, good pH stability

Catalyst carrier: Specific pore size, high mechanical strength

Factory Introduction

Molecular Sieve Manufacturer

We Ensure Quality Control

– Strict SOPs implemented by experienced technicians
– Regular sampling and lab testing throughout production
– Retained sample storage for 5 years for traceability
– Final inspection before shipment to ensure compliance with technical standards

SienChem Technology Co., Ltd, founded in 2019, specializes in the production and marketing of molecular sieve, activated molecular sieve powder, and activated alumina for industrial use. Our products serve applications such as gas purification, water treatment, and air separation. Located in Anhui, our factory produces 8,000 tons annually and operates under the ISO 9001 quality management system. We maintain a modern lab and quality control center staffed by 8 engineers and 12 technicians. 

Molecular Sieve Manufacturer

Frequently Asked Questions

Frequently Asked Question

Our factory specializes in the manufacturing of molecular sieve products, including:
Molecular Sieve Powder (Activated)
Molecular Sieve Beads and Pellets (3A, 4A, 5A, 13X)
Activated Alumina
These are widely used in gas drying, solvent recovery, air separation, polyurethane systems, coatings, and more.

Our factory has an annual capacity of 8,000 tons of molecular sieve, with advanced dehydration and activation equipment, ensuring consistent quality and large-scale supply for both domestic and international clients.

Yes, we provide OEM, ODM, and private labeling services based on customer needs, including customized packaging, branding, and technical formulation support.

Yes, for every batch we supply a Certificate of Analysis (COA) and Technical Data Sheet (TDS), including information on moisture adsorption, particle size,bulk density, and etc.

– Strict SOPs implemented by experienced technicians
– Regular sampling and lab testing throughout production
– Retained sample storage for 5 years for traceability
– Final inspection before shipment to ensure compliance with technical standards
– Third party inspection such as SGS or ClQ is acceptable.

Yes, free samples (500g–1kg) are available for quality testing and formulation trials. Shipping costs may be covered by the customer and refund to next order.

Yes, we are manufacturer. You are very welcome to visit our factory! We encourage customer visits to see our production process, quality control system, and laboratory facilities firsthand. Please contact us in advance to arrange the schedule—we’ll be happy to provide airport pickup, hotel booking assistance, and a full factory tour. We look forward to meeting you in person and building a long-term partnership. 

Our standard payment terms are flexible to meet customer needs. Common options include:
– T/T (Telegraphic Transfer): 30% deposit in advance, 70% balance before shipment
– L/C (Letter of Credit): Available for large or long-term orders
– Negotiable terms: For trusted or repeat customers, we can discuss more favorable terms
– Other options: PayPal, or RMB payments for sample orders or small quantities

Our standard MOQ is 1000 kg for most molecular sieve products. However, for trial orders, samples, or new customers, we can be flexible and accept smaller quantities, such as 450 kg (one pallet). We’re happy to support your testing or initial market development before larger purchases.

Normally regular products are in stock.

– Standard orders: 7–10working days
– Custom orders: 12–15 working days
Delivery time depends on order quantity and packaging requirements.

We offer:
– 15kg/ carton box
-150kg /steel drum
-1000kg/jumbo bag
– Custom packaging available upon request
All packaging is moisture-proof and sealed to maintain product performance.

Yes, our technical team can provide formulation advice, compatibility testing, and usage guidelines to help integrate our molecular sieve powder into your system effectively.

Yes, we offer competitive pricing and volume-based discounts. The final price depends on factors such as order quantity, packaging requirements, and payment terms. For regular or bulk customers, we’re happy to provide special pricing or long-term cooperation discounts.

We take after-sales service seriously and are committed to long-term customer satisfaction. For all molecular sieve products, we provide:
Technical support for product application, usage guidance, and troubleshooting
Follow-up service to ensure product performance meets your expectations
Free replacement or compensation for any confirmed quality issues
Responsive communication, with inquiries replied to within 24 hours
Document support including COA, MSDS, TDS, and RoHS/REACH certifications as needed

Yes. Our molecular sieve powders are non-toxic, odorless, and recyclable after regeneration. They are safe for use in industrial and consumer applications.

You can contact our sales team via email or phone with your specific requirements (grade, quantity, packaging). We will respond with a detailed quotation within 24 hours.

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