40X60mm 25 OZ Graphite Crucible Cup Ingot Bar Combo Mold For Silver Gold Melting Casting

40X60mm 25 OZ Graphite Crucible Cup Ingot Bar Combo Mold For Silver Gold Melting Casting Descritpion: Material:graphite Size:40X60X5mm/1.57X2.36X0.20(L*H*T) Casting Cavity Capacity:38mL/25OZ Graphite Indicator: Bulk densit ≥1.82 g/cm3 Electric resistivity ≥9 μ Ω m Bending strength ≥45 Mpa resist compression ≥65 Mpa Ash ≤0.1 % particle ≤43  um(0.043 mm) Feature: Gold graphite ingot mold Made from high density fine grain graphite Perfect for gold silver meling then casting or as a graphite crucible melting non-ferrous metals to anlysis Package included: 1X Gold Graphite Ingot Mold