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Vacuum aluminized graphite crucible




Vacuum Aluminized Graphite Crucible Application

Vacuum aluminizing film is a production process that we make aluminum metal evaporate and then plate it on the surface of the film base material to form a composite film under the vacuum condition. Such substrates as BOPET, BONY, BOPP, PE, PVC, direct evaporation aluminum aluminizing process is usually applied, while substrate as paper, leather, evaporation aluminizing and transferring process usually applied


Vacuum Aluminized Graphite Crucible Advantages:


1.      High bulk density and low porosity;

2.      High purity and low ash content;

3.      Antioxidant properties, low consumption and long service life;

4.      Being used continuously over 40 hours.


Physical and chemical index:

The Graphite crucible have adopted three kinds of materials:Fine-grain Specialty Graphite, High pure graphite, Isostaic graphite.

Fine-grain Specialty Graphite

High pure graphite

Isostaic graphite

Item

Unit

Typical value

Typical value

Typical value

Max grain size

0.8mm

≤325mesh

5-22vm

Bulk density

g/cm3

1.73-1.76

1.68-1.85

1.8-1.85

Specific resistance

Μ Ω .m

7.5

≤14

≤15

Bending strength

M pa

11-12.5

≥25

12.5

Compressive strength

M pa

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


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