High Quality-Activated Alumina Activated Alumina Ball for Air Separation Desiccant

Product Description

Product Description

 

Characteristics and Performance of High Alumina Balls

Key Properties




High alumina balls are widely recognized for their exceptional material properties, including:

• High strength & hardness - Ensures structural integrity under mechanical stress.
• Superior wear resistance - A critical quality indicator influenced by:
  • Alumina content (typically ≥90% for high-performance grades).
  • Sintering density (higher density reduces porosity and enhances durability).
  • Microstructure (fine-grained compositions improve abrasion resistance).
• Compact size & high density - Enables efficient grinding and milling applications.
• Thermal & chemical stability - Resists degradation at elevated temperatures and in corrosive environments.
•  

Industrial Significance

 

These properties directly impact production efficiency and product quality in industries such as:

• Ceramic manufacturing (grinding media).
• Mineral processing (ball milling).
• Chemical processing (corrosion-resistant applications).

For optimized performance, selecting high alumina balls with appropriate alumina content and sintering parameters is essential.

 

Application

 

High Alumina Balls: Key Features and Industrial Applications

Material Composition

High alumina balls are primarily composed of alpha alumina (α-Al₂O₃) with ultra-low silicon content, ensuring exceptional chemical purity and structural stability.

Key Characteristics

 

• High mechanical strength - Withstands heavy loads and mechanical stress.
• Extreme temperature & pressure resistance - Suitable for harsh operating conditions (e.g., up to 1600°C).
• Superior corrosion resistance - Resists strong acids, alkalis, and other corrosive agents.

 

Industrial Applications

Widely used in high-temperature, high-pressure, and corrosive environments, particularly in:

1. Petrochemical Industry:
   • Reformers & reactors: Protects catalyst carriers from contamination.
   • Packing towers: Prevents silica fouling and equipment damage.
2. Chemical Processing:
   • Acts as inert support media in aggressive chemical reactions.

Functional Advantages

 

• Prevents fouling: Minimizes silica deposits and catalyst degradation.
• Enhances durability: Extends equipment lifespan under extreme conditions.

 

 

Product Parameters

Name	Ceramic ball	23-30%AL203 Ceramic ball	Medium alumina ceramic ball	High alumina ceramic ball	99-Alumina ceramic ball
Al203+SiO2(%)	>93	>92	>93	>94	>99
Al203(%)	17-23	23-30	40-75	85-97	99
Fe203(%)	<1	<1	<1	<1	0.2
Ca0(%)	<0.5	<1.5	<1.5	<0.5	0.2
MgO(%)	<0.5	<1.5	<0.5	<0.5	0.1
K2O+Na20(%)	<4	<4	<3.5	<4	>0.5
TiO2	<0.5	≤0.5	<0.1	<0.1	0.5
Leachable Fe203	<0.1	<0.1	<0.005	<0.001
water adsorption	<0.5%	<0.5%	<1	<2	2-5
grain density g/cm3	2.3-2.4	2.3-2.4	2.6-2.9	3.4	3.2-3.6
operation temp(max).C	980	980	1450	1580	1580
Moh's hardness	>6.5	>7	>7	>7.5	>7.5
compressive strength	KN/Particle
φ6mm	>0.5	>0.5	>0.50	>0.6	>1
φ25mm	>6.5	>6.5	>4.9	>55	>8
φ38mm	>8.9	>8.9	>5.5	>54	>8
φ50mm	>9	>9.8	>6.5	>7.8	>15

 

Detailed Photos

High aluminum ball is also widely used in ball mill for crushing and grinding materials,is characterized by high hardness,wear resistance,high compressive strength.high alumina ball is usually made of high purity alumina material,through dry pressing,high temperature sintering and other processes.In the ball mill,high aluminum ball through the friction and collision with the material to achieve the role of grinding and grinding to achieve the required particle size and fineness requirements.Because of its excellent wear resistance and compressive strength,high aluminum ball is also widely used in mining,cement,ceramics and other industrial fields.

Because of its high strength, high hardness,high wear resistance,large ratio,small size,high temperature resistance,corrosion resistance,no pollution and other excellent characteristics,high aluminum ball is widely used in different types of ceramics,porcelain glaze,glass, chemical and other factories of thick and hard material finishing and deep processing.

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