Feature:1. Graphite crucible has a certain resistance to thermal shock strain, quenching2. The product come with good resistance to strong acids and alkalis3. Possess good corrosion resistance and impact resistance to ensure the reliability of product quality4. Good thermal stability allow graphite crucible to be quickly heated and cooled according to the conditions of use5. The ash content is less than 0.1% to ensure that the precious metals in smelting are not pollutedSpecification:Item Type: Graphite CrucibleMaterial: Graphite, quartzPurpose: Smelting non-ferrous metals.Package List:1 x Graphite Crucible1 x Quartz CrucibleNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.