Aluminium Oxide

EPI Materials is your trusted supplier of high-tech materials. We offer a diverse range of high-quality Aluminum Oxide (Alumina) products, meticulously engineered to excel in various demanding applications. Explore our comprehensive product details below to understand the full scope of our offerings and why EPI Materials is the best choice for your needs.

Description

Specifications

Product Type	Specification
Alumina Balls	Diameter Range: 0.5 mm to 50 mm
Alumina Crucibles	Size Range: Customizable
Alumina Tubes	Diameter Range: 1 mm to 100 mm
Alumina Plates	Size Range: Customizable
Alumina Rods	Diameter Range: 1 mm to 100 mm
Material	Aluminum Oxide (Al2O3)
Appearance	Smooth, white to ivory
Density	3.9 g/cm³
Hardness	1500 HV
Elastic Modulus	370 GPa
Thermal Expansion Coefficient	8.2 x 10^-6 /°C
Working Temperature	Up to 1700°C

Comparison with Other Ceramic Materials

Property	Alumina (Al₂O₃)	Zirconia (ZrO₂)	Silicon Carbide (SiC)
Density	3.9 g/cm³	6.0 g/cm³	3.2 g/cm³
Hardness	1500 HV	1200 HV	2500 HV
Elastic Modulus	370 GPa	210 GPa	410 GPa
Thermal Expansion Coefficient	8.2 x 10^-6 /°C	10.5 x 10^-6 /°C	4.0 x 10^-6 /°C
Corrosion Resistance	Excellent	Very Good	Excellent
Wear Resistance	Excellent	Very Good	Excellent
Electrical Insulation	Yes	Yes	No
Maximum Working Temperature	Up to 1700°C	Up to 1000°C	Up to 1600°C

Advantages of Aluminum Oxide (Alumina):

High Hardness and Strength: Ideal for applications requiring durability and resistance to wear.
Excellent Corrosion Resistance: Suitable for harsh environments involving chemicals and corrosive substances.
High Thermal Stability: Can withstand high temperatures up to 1700°C.
Electrical Insulation: Non-conductive properties make it suitable for electrical applications.
Good Thermal Conductivity: Balances thermal insulation and conductivity properties.

Physical and Chemical Properties

High Hardness and Strength: Alumina products offer exceptional hardness and strength, making them ideal for applications where durability is critical.
High Density: With a density of 3.9 g/cm³, Alumina products provide excellent mechanical stability.
High Wear Resistance: Ensures long service life and reliability in demanding applications.
Thermal Stability: Capable of withstanding high temperatures without losing integrity.
Corrosion Resistance: Resistant to most acids and alkalis, ensuring longevity in harsh environments.
Electrical Insulation: Non-conductive properties make them suitable for electrical and electronic applications.
Good Thermal Conductivity: Provides a balance of thermal insulation and conductivity properties.

Applications

Alumina products find applications in various industries and settings due to their exceptional properties:

Grinding Media: Alumina balls are used extensively in ball mills for fine grinding of materials.
High-Temperature Furnaces: Alumina crucibles and tubes are used as protective sheaths for thermocouples and heating elements.
Chemical Processing: Alumina products are utilized in chemical reactions and processes that involve corrosive substances.
Electrical Insulation: Alumina rods and plates are employed as insulating components in electrical and electronic applications.
Aerospace Components: Integrated into aerospace applications for their high-temperature resistance and durability.
Medical Devices: Used in medical equipment for their biocompatibility and ability to withstand sterilization processes.
Laboratory Equipment: Alumina crucibles, tubes, and plates are used in high-precision laboratory experiments and processes requiring stable and inert containers.

Packaging and Delivery Standards

At EPI Materials, we ensure that our Alumina products are packaged to meet the highest standards of safety and quality:

Packaging: Depending on the size and quantity, products may be vacuum-packed or sealed in robust, cushioned boxes to prevent any damage during transit.
Labeling: Each package includes both external and internal labeling. External labeling provides clear information such as customer name, order number, package quantity, and weight. Internal labeling consists of product details and batch numbers.
Delivery: With our warehouses located in California, we offer prompt delivery within the US and internationally. Shipping options include standard, expedited, and overnight services to meet your needs.

Pre-and-Post Sales Support

At EPI Materials, we prioritize your satisfaction from the initial inquiry to post-purchase support:

Sample Provision: Upon customer request, we offer sample products to ensure they meet your specifications.

After-Sales Commitment: EPI Materials is dedicated to exceptional customer service:

Technical Assistance: Our team of experts is available to address any technical inquiries or concerns regarding our Alumina products.
Returns and Replacements: Our hassle-free return and replacement policy allows for requests within 30 days of receiving the product. Please ensure all requirements are confirmed before placing an order, as unmet requests at the time of purchase cannot be accepted as reasons for returns or exchanges.

Why Choose EPI Materials?

Competitive Pricing: We offer high-quality materials at competitive prices to ensure you receive the best value for your purchase.
Extensive Inventory: Our extensive inventory means we can fulfill orders quickly and efficiently.
Quality Assurance: Our products undergo rigorous quality control checks to ensure they meet industry standards.
Expertise: With years of experience in the field, our knowledgeable team can provide the insights and solutions you need.
Global Reach: With headquarters in Nevada and a warehouse in California, we serve customers worldwide with reliable and timely delivery.

Experience the superior performance of our Alumina products and the exceptional service of EPI Materials. Contact us today to place your order or to learn more about our products.

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