Al2O3 Aluminium Oxide Ceramic Thin Sheet Porous Alumina Substrate Plate
for Industrial Furnace Custom Cutting Service
Alumina (Al₂O₃) Ceramic Plates: Custom Solutions for Your Toughest Challenges
Tired of components that fail under extreme heat, pressure, or electrical stress? Our alumina (Al₂O₃) ceramic plates are the answer.
Made from high-purity aluminum oxide, these advanced engineering components deliver exceptional hardness,
unrivaled thermal stability, and superior electrical insulation—perfect for your most demanding industrial, electronic,
and high-temperature operations.
We offer flexible purity options (92%–99.5%) and fully customizable geometries to meet your exact specifications.

Application
Performance That Outperforms Alternatives
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Physical Characteristics
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Mechanical Characteristics
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Thermal Characteristics
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Linear expansion coefficient
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Electrical Characteristics
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Dielectric constant (1MHZ)
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Various Types of Aluminum Nitride Sheets
We Can Do OEM and 0BM According to Your Drawing and Requirements.
Machining Ability of Alumina Ceramics:
Dimensional accuracy: Up to 0.02mm
Surface roughness: Ra0.02-3.2μm
Concentricity: Up to 0.02mm
Parallelism: Up to 0.01mm
Flatness:Up to 0.01mm
Accuracy of Inner hole Drilling: Up to 0.01mm
Cylindricity: Up to 0.02mm
Thread machining: Minimum internal thread M2
Surface finish: As fired, glazed, grinding, polishing, metallization,coating
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√ High Voltage Insulator
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√ High Purity, Max. 99.8%
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√ Various Available Grades
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√ Hard and Wear Resistant
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√ High Corrosion Resistance
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√ High Mechanical Strength
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√ Good Thermal Conductivity
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√ High Operating Temperature
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√ Most Favorable Fine Ceramic
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Q1. Do you provide product samples? Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer.
Q2. What are your accepted payment methods? We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal.
Q3. What is your typical delivery lead time? Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes.
Q4. Do you perform quality inspection before shipment? Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards.
Q5. What other ceramic materials do you offer? We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride,Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramics.