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
氧化铝耐磨陶瓷
alumina wea-esisting ceamic
氧化铝AL2O3(%)
94-99
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)
7.2×10-6
导热系数Themal conductivity (w/m.k)
18-20
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