Hot core Ceramic Insulators For Heaters
설명
기술적인 매개변수
Ceramic Insulators for Heaters
Ceramic Cap with M5 or M6 Thread
High hardness excellent insulating steatite ceramic M5 or M6 ceramic screw cap.
Ceramic Insulators for Heaters
Alumina ceramics is a kind of aluminum oxide (AL2O3) as the main material for thick film integrated circuits.
Alumina ceramics have good conductivity, mechanical strength and high temperature resistance.
Alumina ceramics are widely used ceramics.
Because of its superior performance, it has been more and more widely used in modern society to meet the needs of daily use and special performance.
Alumina ceramics have low dielectric constant, low dielectric loss, high insulating strength, high volume resistivity, good bending strength, high stability, high compressive strength and good cold and hot impact denaturation.
Widely used in all kinds of small electrical appliances thermostat, insulation parts, all kinds of thermal equipment, electric equipment, iron structure building, ship construction, 등.
Ceramic Insulators for Heaters
Alumina ceramics advantages:
1. The hardness
2. Excellent wear resistance
(3) 부식 저항
4. 고온 저항
5. Good self-lubrication
6. Not easy to scale
Ceramic Insulators for Heaters
Performance For Alumina Ceramic
Item
Unit 95 Al2O3 99 Al2O3
Physical Characteristics Bulk density g/cm3 3.6 3.8
수분 흡수 % 0 0
Mechanical Characteristics Flexural strength Mpa 340 400
Hardness Vickers Gpa 13.5 15.6
Elastic modulus Gpa 320 370
Poisson’s ratio
0.23 0.23
Thermal Characteristics Linear expansion coefficient (200C-5000C) 10-6/0C 6.2-8.5 6.8-8
Thermal conductivity w/(m.k) 24 32
Specific Heat *10-3J/(kg*K) 0.78 0.9
Electrical Characteristics Dielectric constant (1MHZ)
9.4 9.9
Dielectric loss angle *10-4 5 1
Dielectric strength *106V/m 15 15
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