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High-Temperature Technical Ceramics

With its excellent high temperature resistance, oxide ceramics are widely used in fields with extremely high temperature resistance of materials. Its temperature resistance of 1900 degrees provides an excellent solution for various high temperature environments.
Quantity:
  • FOTMA
  • 1014 Ohm/cm
  • 1550°C 6 times without cracking
  • 1600mm
High- Temperature  Technical  Ceramics

  With its excellent high temperature resistance, oxide ceramics are widely used in fields with extremely high temperature resistance of materials. Its temperature resistance of 1900 degrees provides an excellent solution for various high temperature environments.

Advantages:
Material Unit High purity corundum Corundum High aluminum
Item
Al2O3 content % 99.7 99.3 85
SiO2content % 0.1 - -
Density g/cm3 3.95 3.88 3.2
Water absorption % 0 0.01 0.2
Room temperature withstand voltage Mpa 450 350 200
20°C leak rate Torr/L.sec <10-11 <10-11 <10-11
High temperature bending mm 1700°C 0.2mm allowed 1700°C 0.2mm allowed 1700°C 0.2mm allowed
High temperature bonding
1700°C No bonding 1600°C No bonding 1400°C No bonding
20~1000°C thermal expansion coefficient mm.10-6/°C.m 8.6 8.2 8.2
Thermal conductivity W/m.K 25 25 10
Electrical insulation strength KV/mm 20 20 15
20°C DC insulation resistance Ohm/cm 1014 1014 1014
High temperature insulation resistance 1000°C MΩ ≥0.08 ≥0.08 ≥0.08
≥0.02 ≥0.02 ≥0.02 ≥0.02
Resistant to rapid cold and heat - 1550°C 6 times without cracking 1550°C 6 times without cracking 1550°C 6 times without cracking
Maximum use temperature °C 1900 1800 1400
Maximum length of ceramic tube mm 1600 1600 1600
高温技术陶瓷.4

Products include:
  Ceramic crucible, boat
  High temperature ceramic protection tube
  Single-ended closed ceramic tube
  High-temperature ceramic insulation tube (single hole, double hole, four hole, multi-hole tube)
  Other high temperature refractory materials
 
高温技术陶瓷.5
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