1. Laboratory Test Crucible is also an alumina ceramic crucible made of high-purity alumina, with an alumina content greater than 99%. 2. Laboratory Test Crucible for Chemical Corrosion Resistance. 3. Laboratory Test Crucible is resistant to high temperatures, with normal use at 1600 ℃ and short-term use at 1800 ℃. 4. Laboratory Test Crucible, resistant to sudden cold and heat, not prone to cracking. 5. Laboratory Test Crucible adopts slip casting molding with high density.