mail
Products

Alumina Materials

Alumina Materials

Feature

  • We provide large materials with high quality of 99.5% or more.
  • Size of 4 m or more is also available.
    Maximum dimension:
  • Can be used for important parts of various machinery or equipment.

 

Alumina structured Ceramics

Alumina large disc

Φ1200×12t

Alumina large plate

1100×1000×20t

 

Alumina long plate

2600×120×15t

Alumina large frame

1100×1000×23t

 

Material and properties of alumina main products

Chatacteristic item Unit Chatacteristic
Main component (content) Al2O3(99.8%)
Color 淡黄色
Bulk specific gravity 3.92~3.93
Water absorption rate 0
Mechanic Characteristic hardness Kgf/mm2;HV 1600
Flexural strength Mpa 400
Young’s modulus ×106 Kgf/cm2 3.9
Fracture toughness Mpa・m1/2 3.6
Heat
Characteristic
specific heat Cal/g・℃ 0.22
Thermal conductivity Cal/cm・sec・℃ 0.072
Coefficient of thermal expansion(RT~50℃)
(0~800℃)
×10-6/℃ 5.7
8.0
Thermal shock temperature 200
Electrical
Characteristic
Dielectric constant 10.2(1MHZ
Dissipation factor ×10-3 8.2(1MHZ
Volume resistivity(20℃) Ω・cm >1014
Dielectric strength kV/mm 12

 

CONTACT

Contact

Please contact us from the phone number below or the contact form for inquiries about our products and company.

From Your Phone

mail (+81)3-5342-2555

Business Hours 9:00-18:00 Weekdays