Constructed from 99% alumina, our high-temperature crucibles offer exceptional thermal stability and durability for a wide range of laboratory applications. devised to withstand temperatures up to 1600℃, these crucibles are perfect for sintering processes and high-temperature experiments, ensuring reliable performance. Features a controlled temperature change rate to ensure safe and effective heating and cooling, preventing cracking and damage during use. Recommended for use with electric heating sources; avoid direct flame or rapid temperature changes to maintain the integrity and longevity of the crucibles. Includes one combo set, making it an essential addition for labs that require robust and reliable crucibles for their high-temperature needs., Manufacturer: MMBUY