Colour Name:3kg - Gold Pure graphite crucible for metal melting and casting *Important note: Pure graphite crucible can NOT be heating by Carbon furnace or charcoal kiln. It will be oxidized and cracked. Composition: Graphite ≥ 99.9%; Ash≤0.1% (protect the precious metals from contamination while smelting) Capacity: 3KG gold.  ►Features: ●Well thermal stability : Capable of fast heating and cooling according to the using conditions of graphite crucible.  ●Excellent corrosion resistance, impact resistance, acid resistance and alkali resistance. ●Great heat transfer performance: highly shorten the melting time and save energy. ●Small thermal expansion coefficient in high-temperature using process 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.  ●Graphite is more durable than ordinary material products, which makes graphite crucible to have long service life under correct using condition. ►Warm-Tips:  Stored in dry place, do not get it wet. After drying the crucible, please avoid the water.  Be careful not to give a mechanical impact force, not from a fall or impact.  Package Content:  1x Graphite Crucible (well packaged)
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