QOJA 25x25mm 2 oz graphite crucible cup ingot bar combo mold for by QOJA at Proposal Sample Letter. MPN: QOJA. Hurry! Limited time offer. Offer valid only while supplies last. 25X25mm 2 OZ Graphite Crucible Cup Ingot Bar Combo Mold For Silver Gold Melting Casting Descritpion: Material:graphite Size:25X25X5.5mm/0.98X0.98X0.22(L*H*T) Casting Cavity Capacity:4mL/2OZ 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
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