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Ceramic Diffuser Reflector High Reflectivity Custom Alumina
Maximizing laser power, precision, and longevity starts with the right core components.
Our Al₂O₃ Ceramic Laser Reflectors, Laser Heads, Alumina Laser Cavities, and Ceramic Diffuser Reflectors are engineered for high-power laser systems—delivering unmatched optical performance and thermal stability.
Core Advantages of Our Al₂O₃ Ceramic Laser Components
✅ Ultra-High Reflectivity: Up to 99.999% reflectivity at 1064 nm (near-infrared band), minimizing light loss and maximizing laser energy utilization. Ideal for high-precision laser processing and scientific research.
✅ Extreme Thermal Stability: Withstands continuous high-temperature operation (up to 1600°C) and rapid thermal cycles. Eliminates thermal deformation that compromises laser beam quality.
✅ Superior Laser Damage Threshold: Dense Al₂O₃ ceramic structure resists laser ablation, ensuring longer lifespan (5x more durable than traditional glass components) in high-power laser systems.
✅ Micron-Level Precision: Ultra-smooth surface (Ra < 0.01 μm) and tight dimensional tolerance (±0.001 mm) guarantee consistent optical performance and easy integration into laser heads/cavities.
✅ Chemical & Environmental Stability: Corrosion-resistant and oxidation-free, maintaining reliable performance in harsh industrial environments (cutting, welding, marking) and laboratory conditions.
Application
Mechanical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Colour
--
White
Yellow
Yellow
Density
g/cm³
3.7
3.85
3.9
Hardness
GPa
13.7
15.2
15.7
Compressive Strength
MPa
2000
2160
2350
Flexural Strength
MPa
280
310
350
Fracture Toughness
MPa・m1/2
3~4
3~4
4.5
Modulus of Elasticity
GPa
320
360
370
Poissons Ratio
--
0.23
0.23
0.23
Thermal Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Maximum Use Temperature
℃(No load)
1650
1650
1650
Thermal Conductivity @ 20°C
W/(m・K)
24
29
32
Thermal Expansion a at 20–400°C
1 x 10-6/°C
7~8
7~8
7~8
Specific Heat
J/(kg・K)
780
790
780
Thermal Shock Resistance
℃(Put in water)
200
200
200
Electrical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Dielectric Constant
1MHz
9.4
9.9
9.9
Dielectric Strength
V/m
15 x 10 6
15 x 10 6
15 x 10 6
Dielectric Loss
1MHz
4 x 10 -4
4 x 10 -4
4 x 10 -4
Volume Resistivity @ 25°C
Ω・cm
>10 14
>10 14
>10 14
Volume Resistivity @ 500°C
Ω・cm
>10 8
>10 8
>10 10
Various Types of Alumina Ceramic Part
We Can Do OEM and 0BM According to Your Drawing and Requirements.
Features of alumina ceramic
* Relatively low density;
* Extremely high operating temperature;
* Very high hardness and compressive strength;
* Excellent electrical insulation properties;
* Corrosion and wear resistance;
* Biologically inert, food compatibility.
Alumina Ceramic Properties
The following only lists the performance parameters of the three most common aluminum oxide ceramics. Normally, alumina ceramics
are composed of these types
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.
