Alumina Ignition Electrode HB 6-45-30

We offer Ignition Electrode HB 6-45-30.
material: 95~99% alumina;
feature: high mechanical strength, electrical insulating, no-porous, resistance to high temperature and high voltage, and consistance dimension;
application: mechanical equipments, industrial equipments and lamp holders;
1、major components:
95% 96%.99 al2o3
2、material properties
density: 3.6g/cm3
water absorption: o
sintering temperature: 1600-1800°c
3、physical properties
hardness: 1500hv
flexural strength: 3000kgf/cm2
compressive strength: 25000kgf/cm2
fracture toughness: 3-4map.m3/2
4、thermal properties
maximum temperature: 1800°c
coefficient of thermal expansion: 8*10-6/°c
heat shock: 220t(°c)
thermal conductivity: 14-25 w/m.k(25-300°c)
volume resistivity: (1)in 20°c >1012.cm (2)in 100°c 1012-1013.cm (3)in 300°c >1010.cm
5、electrical characteristics
insulation breakdown strength: 18kv/mm
dielectric constant: 9.5100mhz(e)