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Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation
Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation
Specifications
Brand Name :
YH
Model Number :
Yh
Certification :
ISO，CE，ROHS
Place of Origin :
CHINA
MOQ :
10
Price :
Negotiated
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Supply Ability :
10000pcs per month
Delivery Time :
10-30days
Packaging Details :
by caront or wooden case
Applications :
Electrical insulators, cutting tools, wear parts, biomedical implants
Dielectric Loss :
0.0002
Flexural Strength :
300 to 400 MPa
Color :
White to off-white
Temperature Resistance :
Up to 1600°C
Manufacturing Method :
Dry Pressing or Isostatic Pressing
Surface Finish :
Polished
Maximum Use Temperature :
1600°C
Tensile Strength :
200 MPa
Density :
3.8 to 3.95 g/cm³
Description

High Temperature Resistant Circular Alumina Ceramic Gasket

The "Invisible Shield" for Stable Operation of Electronic Devices! Alumina Insulator Ceramic Tubes Are Here!
Who understands the stability anxiety of electronic components under high temperature and high pressure?
This high-purity alumina insulator ceramic tube fully delivers "peace of mind"!
✅ Exceptional High-Temp Resistance: Stable operation from -40℃ to 1600℃, withstands continuous high-heat working conditions without deformation or cracking.
✅ Superior Electrical Insulation: Crafted from high-purity alumina (95%/99%/99.5% options), ensuring excellent insulation performance to prevent electric leakage and protect heating elements.
✅ Robust Wear & Corrosion Resistance: Mohs hardness Grade 9, resistant to abrasion and chemical erosion, extending the service life of your electric heating equipment by 3x
Full Application Scenarios: Semiconductor equipment, power electronics, medical instruments, industrial sensors... It’s competent wherever insulation protection is needed!
Avoid pitfalls in electronic component selection—choose Alumina Insulator Ceramic Tubes! DM us for customized solutions, and enjoy surprise discounts on bulk purchases～

Circular Alumina Ceramic Gasket High Temperature Resistant Electrical InsulationCircular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation

Application
Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation
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 Sealing Ring
We Can Do OEM and 0BM According to Your Drawing and Requirements.
Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation

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
Packing
Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation
Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation
Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation
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 ceramic
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Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation

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Product Detail
Brand Name :
YH
Model Number :
Yh
Certification :
ISO，CE，ROHS
Place of Origin :
CHINA
MOQ :
10
Price :
Negotiated
Contact Supplier
Circular Alumina Ceramic Gasket High Temperature Resistant Electrical Insulation

Hunan Yuanhong New Materials Co.,Ltd

Verified Supplier
1 Years
hunan, changsha
Since 2016
Business Type :
Manufacturer
Main Products :
Alumina Ceramic Disc, Alumina Ceramic Tube, Zirconia Ceramic Bead
Total Annual :
10000000-30000000
Employee Number :
80~100
Certification Level :
Verified Supplier
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