Features:   Well Thermal Stability:According To The Using Conditions Of Graphite Crucible Snap Heat And Cold.   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.   Graphite Crucible Is Generally Used In Alloy Tool Steel Smelting And Smelting Of Nonferrous Metals And Their Alloys.   Can Be Used In The Processing Of Graphite,Graphite Crucible,Graphite Casting Crucible Tank,Pull Rods,Mold And Other Graphite Products.   Longer Service Life,Able To Withstand More Than 2000 & 8451; High Temperature.  Specifications:   Material:High Purity Fine Particle Graphite   Color:Black   Bulk Density:≥1.82g/Cm³   Electric Resistivity:≤ 13 μω-M   Bending Strength:≥45mpa   Compressive:≥70mpa   Hardness:H52   Grain Size:≤43μM   Purity:≥99.95%   Capacity:1KG/2KG/3KG/4KG   Size:   1KG:58MMX88MM(2.28"X3.46")   2KG:65MMX110MM(2.55"X4.33")   3KG:85MMX105MM(3.34"X4.13")   4KG:85MMX130MM(3.34"X5.11")  Package Include:   1PCS X Graphite Crucible