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Technical Ceramics

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High Temperature Rectangular Alumina Ceramic Boat Crucible

Alumina Ceramic is a high-grade ceramic material that is ideal for laboratory applications. It is well balanced and physically stable. In addition, this fine ceramic offers exceptional chemical and corrosion resistance, high hardness, strength, and durability, superb wear resistance and high resistance to alkalies and other fluxes.

  • Material

    : Aluminium Oxide
  • Color

    : White & Ivory
  • Density

    : 3.65 - 3.90 g/cm3
  • Thermal Conductivity

    : 20 - 30 W/m.K
  • Max. Service Temperature

    : 1500 - 1800 degree C
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Product Detail

We stock high purity alumina laboratory ware including ceramic crucibles, ignition dishes, boats and lids. We can produce custom sizes and other standard ceramic materials on request. Our wide range of ceramic materials both standard and non-standard should fit your application.


Some of the most common industrial ceramics applications for which we manufacture alumina ceramic labware include: high-temperature working conditions, conditions that demand contamination-free results, laboratory furnace use and laboratory vacuum use.


99% corundum ceramic crucible specifications: 5ml, 10ml, 15ml, 20ml, 25ml, 30ml, 50ml, 100ml, 150ml, 200ml-2500ml. Suitable for sample analysis and melt of laboratory metal, non-metallic materials.


Al2O3 Alumina Ceramic Crucible Features

 

  Electrical insulation   High dimensional tolerances
  Chemical corrosion resistance   99% purity (poly crystalline alumina)
  Very good thermal shock properties   High quality materials and processes
  High temperature resistance, up to 1800°C     ...                                                                      


Best roast container for making powder TV, rare earth materials, precious metals, and roasting high, medium and low ceramic capacitors, NTC, PTC piezoelectric ceramic and lithium cobalt oxide, lithium manganese oxide powder.  


Note: Alumina crucibles are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating rate of 50°C/10min is recommended for the first 1-1.5 hours so that the crucibles can be evenly heated to reduce the impact of thermal shock. It usually takes about 3 hours to increase to high temperature. 


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