Has good thermal conductivity and temperature resistance, melting gold, silver, platinum and other precious metals and other alloys with high purity graphite crucible, product high temperature resistance, anti-oxidation corrosion resistance and long service life. Material: High purity fine particle graphite Bulk density ?1.78 g/cm3 Electric resistivity ?9 ? ? m Bending strength ?40 Mpa resist compression ?70 Mpa particle ? 43um Size: 60mm x 40mm Features: Well thermal stability : according to the using conditions of graphite crucible snap heat and cold; Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality; Well resistance to strong acid, strong alkali; Good heat transfer performance of graphite crucible: for greatly shorten the melting time and save energy; Ash content less than 0.1% , to ensure the precious metals in smelting is not contaminated; In high-temperature using process, it got small thermal expansion coefficient; And certain strain resistance to the thermal shock, quenching; Long service life. Utilization Graphite crucible is generally used in alloy tool steel smelting and smelting of nonferrous metals and their alloys. Graphite crucible can be used in the processing of graphite, graphite crucible, graphite casting crucible tank,pull rods, mold and other graphite products. Graphite crucible let the products are more durable than ordinary material products, longer service life, able to withstand more than 2000 Degree high temperature Using Tips Stored in dry place, do not get it wet after drying the crucible , don't make it touch with water. Be careful not to give a mechanical impact force, not from a fall or impact. Package Included One Graphite crucible Shipping 1.If you need to buy in bulk, please contact, we will reply in 24 hours. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination. If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.It is impossible to address issues if we do not know about them!