High-Performance Industrial Alumina Ceramic Media for Precision Surface Engineering
In the realm of advanced manufacturing and surface finishing, the integrity of your substrate is paramount. Our Industrial Alumina Ceramic media represents a paradigm shift in abrasive technology, engineered to deliver consistent, high-precision results across a diverse array of industrial applications. Unlike traditional abrasives that may degrade or contaminate the workpiece, our solution offers superior durability and chemical inertness, ensuring that every component emerges with enhanced surface quality and dimensional accuracy. This product line is meticulously crafted for professionals who demand reliability, efficiency, and cost-effectiveness in their production workflows.
The core of this offering lies in its exceptional composition. The material is synthesized through a rigorous sintering process that creates a dense, homogeneous structure. This structural integrity translates directly into performance. When you select our Wear resistant Alumina Ceramic grit, you are choosing an abrasive medium that maintains its cutting edge far longer than conventional alternatives. This longevity reduces downtime for media replacement and lowers the overall cost per part. Furthermore, the Chemical stable Alumina Ceramic grains ensure that no unwanted reactions occur during the finishing process, making it ideal for sensitive materials such as stainless steel, titanium, aluminum alloys, and various plastics. The absence of chemical interaction means that the media remains pure, preventing contamination of the final product and maintaining the aesthetic and functional properties of the treated surfaces.
Key Characteristics and Technical Advantages
Understanding the specific attributes of this media is crucial for optimizing your finishing processes. The following characteristics define the superiority of our alumina ceramic products:
First, the hardness and toughness of the media are unmatched in the industry. With a Mohs hardness rating significantly higher than standard silicon carbide or aluminum oxide, these ceramics can effectively remove burrs, deburr sharp edges, and polish surfaces without excessive wear. This durability is particularly evident when processing hard metals and composites. The media does not fracture easily under pressure, which minimizes the generation of fine dust and debris, thereby reducing cleanup time and improving workplace safety.
Secondly, the geometric consistency of the grains ensures uniform surface finishes. Each piece is manufactured to precise specifications, guaranteeing that the interaction between the media and the workpiece is predictable and repeatable. This consistency is vital for industries such as aerospace, automotive, and medical device manufacturing, where tolerances are tight and surface roughness must be strictly controlled. Whether you require a matte finish, a satin sheen, or a mirror-like polish, the adjustable nature of the media size and shape allows for tailored solutions.
Third, the chemical stability of the alumina ceramic matrix makes it compatible with a wide range of process fluids and chemicals. It resists degradation in acidic, alkaline, and neutral environments, allowing for versatile application in both wet and dry tumbling processes. This resistance extends the lifespan of the media and reduces the frequency of media changes, leading to significant operational savings. Additionally, the non-porous nature of the ceramic prevents the absorption of oils, coolants, or cleaning agents, ensuring that the media performs consistently throughout its lifecycle.
Detailed Product Description and Composition
The Industrial Alumina Ceramic media is produced from high-purity aluminum oxide (Al2O3), sourced from premium raw materials. The manufacturing process involves calcination at extremely high temperatures, followed by precision shaping and grinding. This results in a product with a white or off-white appearance, depending on the specific grade and purity level required. The media is available in various shapes, including cylinders, cones, triangles, and spheres, each designed to address specific finishing needs. Cylindrical shapes are excellent for general deburring and polishing, while angular shapes like triangles and cones provide aggressive cutting action for heavy burr removal and surface texturing.
The density of the media is optimized to provide sufficient mass for effective impact energy transfer without causing damage to delicate features of the workpiece. This balance is critical in vibratory and centrifugal finishing machines. The low coefficient of friction between the media pieces themselves reduces heat generation during operation, further preserving the integrity of both the media and the parts being processed. Moreover, the media is free from heavy metals and other contaminants, adhering to strict environmental and safety standards applicable in global.The performance is superior to that of Alumina Ceramic & High Purity Alumina Ceramic.
Performance is not lower than that of Zirconia ceramic & Aluminium Nitride ceramic.
AlUMINA TECH DATA
|
ITEM
|
UNIT
|
99.9 ALUMINA
|
|
Density
|
G/cm3
|
3.94
|
|
Bending Resistance
|
Mpa
|
500
|
|
Compressive Strength
|
Mpa
|
3300
|
|
Elasticity Modulus
|
Gpa
|
400
|
|
Shock Strength
|
Mpam/2
|
5.2
|
|
Vaporization Coefficient
|
M
|
12
|
|
Vickers Hardness
|
HV0.5
|
2000
|
|
Thermal Expansivity
|
10-6K-1
|
8.0
|
|
Conductivity
|
W/MK
|
28
|
|
Thermal Shock Resistance
|
AT℃
|
280
|
|
Maximum Service Temperature
|
℃
|
1750
|
|
20℃ Volume Resistance
|
Ω
|
≥1015
|
|
Dielectric Strength
|
KV/mm
|
30
|
|
Apparent Porosity
|
％
|
0
|
|
Permittivity
|
Er
|
10
|
|
Dielectric Loss Angle
|
tanδ
|
0.001
|
