Custom High Temperature Resistant Refractory mullite cordierite Ceramic Saggar

항목 단위 Steatite ceramic 95 Al2O3 96 Al2O3
Physical Characteristics Bulk density g/cm³ 2.7 3.6
Physical Characteristics Water absorption % 0 0
Mechanical Characteristics 굽힘 강도 Mpa 145 320 340
Mechanical Characteristics Hardness Vickers Gpa 5.7 12.2 13.5
Mechanical Characteristics Elastic modulus Gpa 120 280 320
Mechanical Characteristics Poisson’s ratio 0.21 0.22 0.23
Thermal Characteristics Linear expansion coefficient (20-5000C) 10-6/℃ 7.9 7.1 7.2
Thermal Characteristics 열전도율 w/(m.k) 2.5 16 24
Thermal Characteristics Specific Heat *10-3J/(kg*K) 0.75 0.78
Electrical Characteristics Dielectric constant(1MHZ) 6.2 9 9.4
Electrical Characteristics Dielectric loss angle *10-4 18 15 5
Electrical Characteristics Dielectric strength *106V/m 18 12 15

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