Hardin HD-234 CR4KG 4 Kg Crucible for HD-234SS

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Product Overview

This is a high capacity (biggest one we sell) Hardin 4 kilogram high purity graphite crucible. It is used to hold your precious metals sucha silver, gold, and copper while they are melted at hight temperatures needed in order to cast into bars and ingots. Has a little groove at the top to easily grab with tongs. It's recommended that you never fill the crucible to more than a 2/3 to alvoid spillage. Tried and tested on the Hardin 234 electric melting furnace. This crucible can be used multiple times when handled with care. Oil from your hands will speed the corrosion process after heated. Flux also shortens the life span.

Melting Capacity:

Melting Capacity

Product Features


  • 4 3/4" Tall
  • 2 7/8" Bottom Outside Diameter
  • 3 3/8" Top Outside Diameter
  • 2 3/16" Inside Diameter
  • 4" Inside Depth
  • Recessed Groove For Tongs
  • Pour Groove for easy molten liquid transfer

More Info / Prop 65

Model# HD-234 CR4KG
UPC 645710101779

California Proposition 65

Brand Hardin