40 X 60mm 25oz Pure Graphite Crucible Cup Propane Torch Melting Gold Silver Copper Resist Compression

Has good thermal conductivity and temperature resistance, melting gold, silver, platinum

and precious metals and alloys with high purity graphite crucible,

product high temperature resistance, anti-oxidation corrosion resistance and long service life.

Material:

High purity fine particle graphite

Bulk density ≥1.78 g/cm3

Electric resistivity ≥9 μ Ω m

Bending strength ≥40 Mpa

resist compression ≥70 Mpa

particle ≤ 43um

Size:60mm x 40mm

Features:

Well thermal stability : according to the using conditions of graphite crucible snap heat and cold;

Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality;

Well resistance to strong acid, strong alkali;

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;

Long service life.

Utilization

Graphite crucible is generally used in alloy tool steel smelting and smelting of nonferrous metals and their alloys.

Graphite crucible can be used in the processing of graphite, graphite crucible, graphite casting crucible tank,pull rods, mold and graphite products. Graphite crucible let the products are more durable than ordinary material products， longer service life, able to withstand more than 2000 ℃ high temperature

Using Tips

Stored in dry place, do not get it wet

after drying the crucible , don't make it touch with water.

Be careful not to give a mechanical impact force, not from a fall or impact.

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