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Customize 95% 99% Alumina Ceramic Plate High Temperature Ceramic Al2o3 Industrial

Customize High Temperature Industrial 95% 99% Al2O3 Alumina Ceramic Plate

Alumina ceramic plates are a type of advanced ceramic material widely used in various industrial applications due to their excellent mechanical, thermal, and electrical properties. Here's an overview of the key characteristics, applications, and benefits of alumina ceramic plates:

Characteristics

High Hardness and Strength: Alumina ceramics are extremely hard and strong, making them suitable for applications requiring wear resistance and durability.
Thermal Stability: They can withstand high temperatures, up to 1600°C or higher, without degrading, which makes them ideal for high-temperature applications.
Electrical Insulation: Alumina ceramics are excellent electrical insulators, making them useful in electrical and electronic applications.
Corrosion Resistance: They are resistant to chemical corrosion, which extends their life span in harsh environments.
Biocompatibility: Alumina is biocompatible, which means it can be used in medical applications without adverse effects on biological tissues.

Applications

Electronics and Electrical Engineering: Used as substrates for electronic circuits, insulators, and semiconductor components.
Mechanical Engineering: Employed in wear-resistant components, cutting tools, and mechanical seals.
Medical Devices: Used in dental implants, hip replacements, and other orthopedic devices due to their biocompatibility.
Automotive: Components like spark plug insulators and sensors.
Aerospace: High-temperature-resistant components for engines and other aerospace applications.
Chemical Industry: Used in components exposed to corrosive environments, such as nozzles and pump components.

Benefits

Longevity: Due to their hardness and resistance to wear and corrosion, alumina ceramic plates have a long service life.
Efficiency: Their high thermal conductivity and electrical insulation properties improve the efficiency of electronic devices.
Versatility: They can be used in a wide range of environments and applications, from high-tech electronics to demanding industrial processes.

Types and Grades
Alumina ceramics come in various purities and grades, commonly ranging from 85% to 99.9% alumina content. Higher purity grades offer better performance in terms of electrical insulation and thermal conductivity but may be more expensive.

Customization and Manufacturing
Alumina ceramic plates can be custom-manufactured to specific dimensions and shapes to meet the requirements of different applications. They can also be processed to achieve varying surface finishes and tolerances, depending on the need.

Product Parameter

Alumina Ceramic Substrate Material Property
Item	Unit		96% Al2O3	99.6% Al2O3
Mechanical Properties
Color	/	/	White	Ivory
Density	Drainage Method	g/cm3	≥3.70	≥3.95
Light Reflectivity	400nm/1mm	%	94	83
Flexural Strength	Three Point Bending	MPa	>350	>500
Fracture Toughness	Indentation Method	MPa·m1/2	3	3
Vickers Hardness	Load 4.9N	GPa	14	16
Young's Modulus	Stretching Method	GPa	340	300
Water Absorption		%	0	0
Camber	/	Length ‰	T≤0.3: ≤5‰, Others: ≤3‰	≤3‰
Thermal Properties
Max. Service Temperature (non-loading)	/	ºC	1200	1400
CTE (coefficient of thermal expansion)	200-800ºC	1×10-6/ºC	7.8	7.9
Thermal Conductivity	25ºC	W/m·K	>24	>29
Thermal Shock Resistance	800ºC	≥10 Times	No Crack	No Crack
Specific Heat	25ºC	J/kg·k	750	780
Electrical Properties
Dielectric Constant	25ºC, 1MHz	/	9.4	9.8
Dielectric Loss Angle	25ºC, 1MHz	×10^-4	≤3	≤2
Volume Resistivity	25ºC	Ω·cm	≥10^14	≥10^14
Dielectric Strength	DC	KV/mm	≥15	≥15

Alumina Ceramic Substrate Production Specifications
99.6% Al2O3
Thickness (mm)	Maximum Size (mm)			Shape			Molding Technique
Thickness (mm)	As Fired	Lapped	Polished	Rectangular	Square	Round	Molding Technique
0.1-0.2		50.8	50.8		√	√	Tape Casting
0.25		114.3	114.3		√		Tape Casting
0.38	120	114.3	114.3		√		Tape Casting
0.5	120	114.3	114.3		√		Tape Casting
0.635	120	114.3	114.3		√		Tape Casting
Other special thicknesses within the thickness range of 0.1-0.635mm can be achieved by lapping.
96% Al2O3
Thickness (mm)	Maximum Size (mm)			Shape			Molding Technique
Thickness (mm)	As Fired	Lapped	Polished	Rectangular	Square	Round	Molding Technique
0.25	120	114.3	114.3		√		Tape Casting
0.3	120	114.3	114.3		√		Tape Casting
0.38	140×190			√			Tape Casting
0.5	140×190			√			Tape Casting
0.635	140×190			√			Tape Casting
0.76	130×140			√			Tape Casting
0.8	130×140			√			Tape Casting
0.89	130×140			√			Tape Casting
1	280×240			√			Tape Casting
1.5	165×210			√			Tape Casting
2	500×500			√			Tape Casting
Other special thicknesses within the thickness range of 0.1-2.0mm can be achieved by lapping.

Alumina Ceramic Substrate Product Tolerance
Item	Substrate Thickness (mm)	Standard Tolerance (mm)	Best Tolerance (mm)	Laser Cutting Tolerance (mm)
Length And Width Tolerance	/	±2		±0.15
Thickness Tolerance	T<0.3	±0.03	±0.01
	0.30-1.0	±0.05	±0.01
	T>1.0	±10%	±0.01

Alumina Ceramic Substrate Surface roughness
Material	Surface Roughness (μm)
Material	As Fired	Lapped	Polished
96% Al2O3	Ra 0.2-0.75	Ra 0.3-0.7	Ra ≤0.05
99.6% Al2O3	Ra 0.05-0.15	Ra 0.1-0.5	Ra ≤0.05

Inspection Of Bare Ceramic Substrates
Test ltems	Inspection Tool	Inspection Standard
Appearance	VisualInspection,Microscope	In accordance with the drawing
Length And Width	Vernier Caliper
Thickness	Thickness Gauge,Micrometer
Camber	Digimatic lndicater
Surface Roughness	Surface Roughness Meter

Production Flow Chart

Insulation Heat Dissipation High Purity Wear Resistant 99.5 Alumina Ceramic Plate

FAQ

Q1:Why us?

Professional manufacturer since 2003.
Strict quality control on production process and tolerance.
Free samples available
Customized production based on your drawing or specification
On-time delivery and reliable support and service
Inventory available for quick shipment
We keep confidentiality of all the drawings and business information between us.

Q2:Are you a trading company or a manufacturer?

A: We are a manufaturer.

Q3:Can you provide the free samples?
A3: Yes,we can offer free sample if we have it in stock,but the courier fee is to be collected.

Q4: Do you accept customized production based our specification?
A4: Yes,we offer OEM and ODM service. Just send us your drawing if you have it. If you don’t have a drawing, just tell us your idea, we will work out the drawing for you.

Q5: What's the delivery time?
A5: 7 working days for standard products 30 days for customized products.

Q6: What is the MOQ?
A6: No limit to the quantity. We can offer the best proposal and solutions according to your condition.

Q7: What is the payment terms you accept?
A7: T/T,LC,Western Union,moneygram are acceptable.

Q8: How to deal with the faulty?
A8: Firstly, Our product are produced in strict quality control system and the defective rate will be less than 2%.
If there are problems with the product, we will provide free replacement.

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Categories	Ceramic Plate
Place of Origin:	Jiangsu, China
Brand Name:	LJ Ceramic
Certification:	ISO9001:2008/ROHS
MOQ:	2 piece
Price:	Negotiation
Packaging Details:	Use the export carton which is secure against breakage on the MDF pallet.
Delivery Time:	To be negotiated
Payment Terms:	L/C ，T/T