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.
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)
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