95% alumina Ceramic tube


Specification: Alumina ceramic tube

Material:95% alumina.

Type: OEM.

Packing:Carton box with wooden box.

Delivery time:Make model for 15days,Production for 30days.


Alumina ceramic is a kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products.


Feature: 


A variety of specifications available


Satisfy various technical request 


Lower medium spoilage


Good insulation performance and high temperature resistance


Stiffness texture


Used in all electric products, electric heating products and wear resistant machinery parts


Advantages:

1). Excellent insulation, security, long working life.

2). High temperature resistance

3). Resistance to electric breakdown

4). Stand wear and tear

5). High strength

6). Corrosion resistance

7). Good  compactness

8).  HIgh hardness


Performance
Item  IndexUnit         Steatite ceramic   95 Al2O3      96 Al2O3    
Physical Characteristics     Bulk density  g/cm32.73.63.6
Water absorption                       %000

Mechanical Characteristics   
Flexural strength Mpa145320340
Hardness Vickers Gpa5.712.213.5
Elastic modulus Gpa120280320
Poisson’s ratio -0.210.220.23
Thermal Characteristics     Linear expansion coefficient 20-5000C       10-6/0C7.97.17.2
Thermal conductivityw/(m.k)2.51624
Specific Heat *10-3J/(kg*K)0.750.780.78
Electrical Characteristics     Dielectric constant(1MHZ)  -6.299.4
Dielectric loss angle *10-418155
Dielectric strength *106V/m181215