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Smelting metal graphite crucible





Product Description:

Graphite Crucible is widely used for all kinds of furnace to melt Jewelry, Gold, Silver, Copper, Zinc, Aluminum etc. Based on your application industry, refer to draft design, we recommend the most suitable graphite and customize the exact size for you.


The Material of Graphite Crucible:

The material of Graphite Crucible include Fine-grain Graphite, High Pure Graphite, and Isostatic Graphite. We will choose the material to produce the Graphite Crucible based on customer’s different application, working temperature, thermal shock property, acid-base property. The physical and chemical index as below:


Item

Unit

Fine-grain Graphite

High pure graphite

Isostatic graphite

Max Grain Size

Dia

0.8mm

325mesh

5-22um

Bulk Density


g/cm3

1.73-1.76

1.68-1.85

1.8-1.85

Specific Resistance

µΩm

7.5

14

15

Bending Strength

Mpa

11-12.5

25

12.5

Compressive Strength

Mpa

27-34

50

34

Thermal Conductivity

W/(m .k)

150-160

130

160

C.T.E.(100-600)

10-6/

2.2

2.5

2.1

Ash Content

%

0.09

0.15

0.09



















How to use

1.The crucibles should be put on the pallets instead of the ground and stored in a dry place with good ventilation.

2. Use the proper base to support the crucibles. Attention! The base should be with a bigger diameter than the crucibles’ bottom and with the same material as the crucibles’.

3.Make sure the furnace lining works well .Make sure the crucible and furnaces are concentric.

4. Use pincers to put the metal into crucible carefully


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