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{"title":"Custom 99% Al2O3 Precision Substrate Aluminium Oxide Plate High Thermal","imgUrl":"https:\/\/img.chinax.com\/nimg\/ed\/b9\/b2cb7616c622accf398ecdae681d-200x200-1\/custom_99_25_al2o3_precision_substrate_aluminium_oxide_plate_high_thermal_conductivity.jpg","attrs":{"Brand Name":"YH","Certification":"ISO,CE,Rohs","Place of Origin":"CHINA","Delivery Time":"15-30 work days"}}
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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
Item
Unit
95 Al2O3
96 Al2O3
99 Al2O3
Physical Characteristics
Heat resistance
0C
1500
1550
1800
Bulk density
g/cm3
3.6
3.6
3.9
Water absorption
%
0
0
0
Mechanical Characteristics
Flexural strength
Mpa
320
340
360
Hardness vickers
Gpa
12.2
13.5
15.6
Elastic modulus
Gpa
280
320
370
Poisson’s ratio
0.22
0.23
0.23
Thermal Characteristics
Linear expansion coefficient
(20-5000C) 10-6/0C
7.1
7.2
8
Thermal conductivity
w/(m.k)
16
24
32
Specific Heat
*10-3J/(kg*K)
0.78
0.78
0.9
Electrical Characteristics
Dielectric constant (1MHZ)
-
9
9.4
9.9
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
√ High Voltage Insulator
√ High Purity, Max. 99.8%
√ Various Available Grades
√ Hard and Wear Resistant
√ High Corrosion Resistance
√ High Mechanical Strength
√ Good Thermal Conductivity
√ High Operating Temperature
√ Most Favorable Fine Ceramic
FAQ
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.
