Features:1. It has excellent electric and heat conductivity, stress corrosion, expansion coefficient is small .Since good lubricity and processing properties.2. Good to chemical corrosion ; Can be applied to all kinds of chemical reactions crucible, tube, etc.3. The high thermal conductivity and thermal stability performance; Gold, of molten silver etc all kinds of high temperature resistant products4. Enough mechanical strength and impact ;5. Easy to machining, can according to the geometry of the processed into a variety of products.Specifications:Materials : graphiteGraphite content: 999%Melting point: 3850 + 50 Boiling point: 4250 Size: 50mmX50mmX20mmApplication:Graphite blocks/rods used in silicon carbide furnace, graphitization furnace and other metallurgical furnace, furnace lining and conductive material, and the permeability of graphite heat exchangers.Widely used in electronics, metallurgy, chemical industry, steel and other fields,Products are of good quality, stable performance.Use note:1. Be careful not to give a mechanical impact force, not from a fall or impact.2. Dont get wet by water, should be stored in dry place.3. The crucible after drying, dont make it contact with water.color:blackPackage Contents:1 x High purity graphiteOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.