Alumina Ceramic Plate Solutions
Experience unmatched durability and precision with our premium alumina ceramic plates. Designed for demanding environments, these high-purity aluminum oxide plates deliver exceptional thermal shock resistance, wear protection, and electrical insulation—ideal for engineering projects that require reliability and performance.
Explore the full range in our high-resolution product image carousel to see detailed views and customizable options tailored to your exact needs.
Product Overview

Our Alumina Ceramic Plate offers a reliable solution for industrial and electronic needs. Made from high-purity aluminum oxide (Al2O3), this ceramic sintering tray delivers excellent wear resistance, thermal shock stability, and electrical insulation. Whether you need an industrial alumina sheet for furnace applications or a high-temperature ceramic insulator for electronics, this product has you covered.
Quick Specs
| Feature | Specification |
|---|---|
| Material | High-purity Alumina (Al2O3) |
| Purity Level | 99.5%+ |
| Thickness Range | 1 mm – 50 mm |
| Max Operating Temp | Up to 1800°F (980°C) |
| Density | 3.9 g/cm³ |
| Electrical Resistivity | >10^13 Ω·cm |
| Common Shapes | Plates, Discs, Tiles |
Technical Specifications
Here’s the detailed breakdown of our alumina ceramic plate’s specs designed to meet your needs:
| Specification | Description |
|---|---|
| Material | High-purity Aluminum Oxide (Al2O3) |
| Purity Level | 99.5% minimum |
| Density | 3.8 g/cm³ |
| Flexural Strength | 300 MPa |
| Hardness | 15-16 Mohs |
| Operating Temperature | Up to 1700°F (927°C) |
| Thermal Conductivity | 25 W/m·K |
| Electrical Resistivity | >10^14 Ω·cm |
| Typical Thickness Range | 0.1 to 10 mm |
| Available Shapes | Plates, discs, tiles, custom cuts |
We’ve made it easy for you to dive deeper with downloadable datasheets and CAD files available for every product. These provide precise dimensions and technical drawings, so you can integrate the alumina ceramic plate seamlessly into your projects.
Access the datasheets and CAD models directly from our website to speed up your design and ordering process.
Key Features and Benefits

Our alumina ceramic plate stands out with several key benefits that fit the needs of US industries:
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Thermal Shock Resistance
Handles rapid temperature changes without cracking. Perfect for applications like industrial furnace sintering trays where heat cycles are common.
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Wear and Corrosion Resistance
Built tough to resist abrasion and chemical attack. Ideal as wear-resistant ceramic lining in harsh environments.
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Electrical Insulation
Offers excellent insulation properties. Great for electronics substrates and high-temperature ceramic insulators that demand safety and reliability.
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Customizable Shapes
We tailor sizes, thicknesses, and shapes—including hexagonal alumina tiles and custom alumina discs—to fit your precise needs, ensuring a perfect fit for your projects.
These features make our aluminum oxide plate a versatile, reliable choice across a range of applications.
Applications
Our alumina ceramic plate is a go-to choice for a variety of demanding uses across industries in the U.S. Here’s how it fits into your projects:
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Industrial Furnace Sintering Trays and Linings
Perfect as ceramic sintering trays and alumina furnace setter plates, our high-purity Al2O3 substrate handles extreme heat without cracking or warping. It’s the reliable lining you need for consistent furnace performance.
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Electronics Substrates and Insulators
Use these industrial alumina sheets as electrical insulation ceramic plates in circuit boards or as electronics substrates. Their stability and wear resistance keep your components safe and functioning under tough conditions.
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Aerospace and Automotive Components
Aerospace and automotive industries demand materials that withstand stress and heat. Our wear-resistant ceramic lining and customized alumina discs provide strength and thermal shock resistance for critical parts.
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Medical Sterilizable Supports
In medical settings, sterilizable supports made from alumina ceramic plates offer durability and cleanability. Ideal for equipment trays or medical device components, they handle repeated sterilization without degrading.
This versatile aluminum oxide plate adapts to multiple roles, making it a smart investment for precision-driven U.S. manufacturers and engineers.
Customization Options

We get that one size doesn’t fit all, especially with alumina ceramic plates. That’s why we offer flexible options to tailor the product exactly how you need it.
- Size and Thickness: Choose the dimensions that work best for your application, from thin industrial alumina sheets to thicker furnace setter plates.
- Metallization: Add custom metal layers for better conductivity or bonding, perfect for electrical insulation ceramic plates or electronics substrates.
- Laser Cutting: Precise shapes, holes, or patterns cut quickly to fit your design—ideal for custom alumina discs or hexagonal alumina tiles.
Examples of Custom Features
- Specialty furnace sintering trays cut to specific sizes and shapes to maximize your kiln space.
- Customized wear-resistant ceramic linings designed to fit tight spaces in machinery.
- Electrical insulation ceramic plates with added metallization for enhanced performance.
With these options, you can get the perfect alumina ceramic plate that matches your industrial, aerospace, or medical needs without hassle.
Quality Assurance and Sustainability
We back every alumina ceramic plate with a strict purity guarantee, ensuring you get a high-purity Al2O3 substrate that meets your exact standards. Our products carry certifications and badges proving their quality, so you can trust in their performance.
We also prioritize environmental responsibility. Our manufacturing process is designed to minimize waste and reduce emissions, making our alumina ceramic plates a greener choice for your business.
Before leaving our facility, each ceramic sintering tray and industrial alumina sheet undergoes rigorous testing to confirm dimensional accuracy and to ensure they’re free from defects. This means you receive wear-resistant ceramic lining and electrical insulation ceramic plates that perform reliably every time.
Pricing and Availability
We offer tiered pricing based on order size, so whether you need a single alumina ceramic plate or bulk industrial alumina sheets, we’ve got you covered. Our inventory of high-purity Al2O3 substrates and ceramic sintering trays is regularly stocked to meet your demands quickly.
What you can expect:
- Competitive pricing that scales with your order volume
- Real-time stock updates for quick turnaround
- Discounts on custom alumina discs and large orders
Ready to place an order or get a quote? Click the button below to start. Our team is here to help you find the right aluminum oxide plate or wear-resistant ceramic lining for your project.
Related Products
Check out our range of complementary alumina products designed to fit your specific needs:
- Alumina furnace setter plates for reliable high-temperature support
- High-purity Al2O3 substrates perfect for electronics and insulators
- Wear-resistant ceramic linings to extend equipment life
- Custom alumina discs and hexagonal alumina tiles for specialized applications
These products pair well with our alumina ceramic plates, offering flexible solutions that keep your projects moving smoothly. Explore the carousel to find the best match for your industrial or technical requirements.
Customer Support and FAQs
Got questions about our alumina ceramic plates? We’ve got clear answers to the most common ones to help you choose the right product and get the most out of it.
FAQs
What is the typical size range for your alumina ceramic plates?
We offer standard sizes and custom options tailored to your project’s needs.
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Can I get a custom shape or thickness?
Absolutely. We specialize in custom alumina discs and sheets to fit your specifications.
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Are your alumina plates suitable for high-temperature applications?
Yes, our high-purity Al2O3 substrates handle extreme heat, ideal for furnace sintering trays and other industrial uses.
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Do you provide technical support for installation or usage?
Yes, our team is ready to assist with technical questions to ensure proper use.
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How do I request datasheets or CAD files?
You can download them anytime from our product page or request them directly from support.
Contact Us
Need direct help? Reach out through:
- Live Chat: Available Monday to Friday during business hours for quick answers
- Email Support: Send your inquiries to support@aluminaUSA.com and expect a reply within 24 hours
We’re here to make sure your experience with our alumina ceramic products is smooth and reliable.
Try Our Alumina Ceramic Plate Samples and Partner With Us
Ready to see the difference in quality? Request a sample of our alumina ceramic plate today and experience its durability and performance firsthand. Whether you need a high-purity Al2O3 substrate or a custom alumina disc for your project, we’re here to support you every step of the way.
Partnering with us means access to fast shipping, expert advice, and tailored solutions that fit your unique needs. Let’s work together to keep your operations running smoothly with reliable, wear-resistant ceramic parts made right here in the USA.
Contact us now to get started or request your sample!












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