95氧化铝点火头高级电器陶瓷高导热抗辐射耐磨耐蚀方管7×7×40

本公司专长:为满足客户特殊需求,可专业设计定制各种异型、特异型陶瓷件;欢迎来图来样。

Ou company's specialty is to design and customize all kinds of special shape ceamic pats fo meeting custome's special equiements. welcome to send us the dawings and samples.

品牌：特恩之

Band： TM

功能:绝缘电阻高导热耐高温高湿

Function:insulation esistance high themal conductivehigh tempeatue and humidity esistance

成型工艺:热压/干压/等静压/挤压

Foming pocess :hot-pessing/ dy pessing/isostatic pessing/ extusion Foming

缺点:脆性,使用时注意尽量避免或减少敲击,摔打,突然性碰撞等。

Shotcoming:fagility, Pay attention to avoid o educe knock and bang and sudden collision.

加工定制： 是

Woking aea custom-made： YES

微观结构：多晶

Micostuctue： polycystal

颜色:乳白色,白色,米黄,黑色,其他各色

Colou:ivoy ,white, ceam-coloued, black,else

理化指标:

Physical and Chemical Index :

特性Popety

氧化铝电器电子陶瓷

Electic and electonic ceamic

氧化铝AL2O3(%)

94-99.7

体积密度bulk density (g/cm3) ≥

3.55-3.95

莫氏硬度Moh&squo;s hadness

9

热膨胀系数coefficient of themal expansion(m/m.K) (20-1000℃)

7-8×10-6

导热系数Themal conductivity (w/m.k)

18-22

绝缘强度Insulating stength（KV/mm）

15-20

直流击穿强度DC beakdown stength (Kv/mm)

17.6-20

吸水率Wate absoption（%）<

0.08

断裂韧性factue toughness KΙC≥

4.8MPa·m1/2

抗弯强度flexue stength≥

290MPa

常温耐压强度Ambient compessive stength（Mpa）≥

850

常温抗折强度Cold bending stength (Mpa) ≥

520

耐火度Refactoiness（℃）≥

2000

最高使用温度Max sevice tempeatue(℃) ≥

1650