Fumed Aluminium Oxide Supplier for High-Performance Industrial Applications

Hocon is a reliable fumed aluminium oxide supplier providing high-purity fumed alumina designed for demanding industrial environments. Our materials feature high specific surface area, excellent thermal stability, superior dispersibility, and strong reinforcing performance, making them suitable for silicone rubber systems, coatings, lithium battery materials, catalysts, ceramics, and electronic insulation applications.

As a professional fumed aluminium oxide supplier, we support customized BET surface area, surface modification, and bulk supply to meet precise formulation and processing requirements.

Product Range – Fumed Aluminium Oxide

As a professional fumed aluminium oxide supplier, we offer high surface area nano alumina grades synthesized by gas-phase method. These materials feature positive surface charge characteristics, high purity, low bulk density, and excellent dispersion performance, making them suitable for lithium battery materials, powder coatings, electret masterbatch, thermal insulation, and functional additives.

All grades support customized physical or chemical specifications upon request.

ALUNA-100

High Surface Area Fumed Nano Aluminum Oxide

• CAS No.: 1344-28-1

• BET Surface Area: 100±15 ㎡/g

• Purity: ≥98%

• pH (4% dispersion): ≥3.9

• Loss on Ignition (1000℃×2h): ≤2.0%

• Tamped Density: 60±15 g/L

• Surface Characteristic: Positive surface charge

Typical Applications

• Lithium-ion battery separator materials for improved thermal resistance and safety

• Lithium battery anode conductivity enhancement

• Negative electrode coating for improved reversible discharge capacity

• Powder coatings and photocopier inks to improve chargeability and fluidity

• Meltblown electret masterbatch for enhanced charge adsorption

• Phosphor coating for lighting to improve luminous uniformity and reduce UV hazards

• Heat-resistant insulation boards

• Paper additives to improve gloss and printability

ALUNA-100HC

Battery-Optimized Fumed Nano Aluminum Oxide

• BET Surface Area: 90±10 ㎡/g

• Purity: ≥98%

• pH (4% dispersion): 3.9–5.0

• Low iron ion content

• Surface Characteristic: Positive charge

Typical Applications

• Lithium battery separator coating for enhanced high-temperature resistance

• Cathode material coating to improve cycle life and charge/discharge performance

• Electrode dry coating for improved safety

• Meltblown masterbatch for improved electrostatic adsorption

• Powder coatings and copier inks

• Heat-resistant insulation materials

This grade is particularly suitable for lithium-ion battery diaphragm coating and energy storage materials, where safety and thermal stability are critical.

ALUNA-100CHC

Charge-Enhanced Fumed Nano Aluminum Oxide

• BET Surface Area: 100±15 ㎡/g

• Purity: ≥98%

• Surface Characteristic: Strong positive surface charge

Typical Applications

• Powder coatings for improved electrostatic charge rate and flowability

• Photocopier toners and inks

• Electret masterbatch for meltblown materials

• Phosphor coatings for lighting applications

• Thermal insulation boards

This grade is optimized for electrostatic performance enhancement in powder coating and functional filler systems.

Core Material Characteristics

All ALUNA series products feature:

• High specific surface area

• Ultra-fine particle size

• Excellent dispersion performance

• Low packing density

• Positive surface charge for electrostatic applications

• Stable performance in high-temperature environments

These characteristics make Hocon a reliable fumed aluminium oxide supplier for high-performance battery materials, powder coatings, functional insulation systems, and advanced electronic applications.

Packaging & Storage

• Supplied in multi-layer 10 kg bags

• Store in dry and cool conditions

• Protect from volatile substances

• Recommended shelf life: 1 year after production

Application Solutions

Silicone Rubber Reinforcement

• Improve tensile strength and tear resistance

• Enhance heat resistance in HTV, RTV, LSR, and HCR systems

• Improve flame retardancy performance

• Stabilize mechanical properties at elevated temperatures

Industrial Coatings & Paints

• Increase scratch and abrasion resistance

• Improve anti-settling performance

• Enhance durability in high-temperature coatings

• Improve mechanical reinforcement in epoxy and polyurethane systems

Lithium-Ion Battery Materials

• Cathode dry coating additive

• Separator modification material

• Improve thermal stability and safety

• Enhance cycle life performance

Catalyst & Carrier Materials

• High-efficiency catalyst support

• Hydrothermal stability

• Increased active surface area

High-Temperature & Electrical Insulation Materials

• Improve dielectric properties

• Maintain insulation stability under thermal stress

• Suitable for electronic encapsulation systems

Technical Support & Customization

As an experienced fumed aluminium oxide supplier, we provide:

• Customized BET surface area

• Surface-treated hydrophobic grades

• Application-based formulation guidance

• Lab sample support for validation

• Full TDS and MSDS documentation

• Batch-to-batch consistency control

Our technical team works closely with silicone rubber manufacturers, coating formulators, and battery material producers to ensure optimal compatibility and performance.

Request Technical Data or Samples

Contact us today to:

• Request TDS and MSDS

• Apply for laboratory samples

• Discuss customized specifications

• Receive bulk pricing

As a professional fumed aluminium oxide supplier, we are committed to delivering consistent quality, technical support, and reliable supply for your industrial applications.