99.3% Alumina Crucible - 77x13x8mm Corundum Ceramic Boat with Side Hole for High-Temperature Applications,1pcs(No Holes)

77*13*8mm / 99.3% alumina crucible / Boat / corundum crucible / hole in one side/Al2O3 ceramic crucible / Sintered crucibleThe crucible is made of aluminum oxide with 1800 degreefiring temperature and 40 hours sintering time.It cannot be used over 1800 degreeHeating rate cannot be 50 degree/10mins.Don't melting the material which can have reaction with Al2O3,Avoid aluminum oxide reaction.Physical and chemical index:Al2O3: >99%<;;0.2%<;;0.1%<;;0.2%Bulk density:>3.8g/cm3<;;1%Bend strength:>350MpaCompressive strength:>12000MpaDielectric constant: 2Max work temperature:1800 degree

• Constructed from 99.3% alumina, this crucible withstands temperatures up to 1800°C, ideal for high-temperature applications.
• Features a side hole devise for efficient material handling and reduced reaction with aluminum oxide.
• Sintered for 40 hours, ensuring durability and stability during extreme heating processes.
• Bulk density exceeds 3.8g/cm³, providing superior strength and resistance to thermal shock.
• Not suitable for melting materials that react with Al2O3; avoid heating rates exceeding 50°C per 10 minutes for optimal performance.