1.our industry can produce all kinds of crucible 2.strength of various styles for your reference 3.ceramics mortar and pestle high pure graphite crucibleof High purity: Al2O3> 99%, good chemical resistance 2, good temperature endurance, long-term operation at 1600 °C, short-term 1800 °C 3, Good rapid thermal shock resistance, not easy to burst 4, Slip Casting with high density high-purity alumina ...