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2020/07/17
Graphite accessories of vacuum furnace


Graphite accessories of vacuum furnace


Vacuum furnace include: Vacuum sintering furnace, Vacuum brazing furnace, Vacuum heat treatment furnace, Silicon carbide reaction vacuum sintering furnace, Diamond vacuum brazing furnace, Vacuum carburizing furnace, Silicon nitride sintering furnace, Aluminum nitride sintering furnace, Hydrogen sintering furnace, Vacuum hot pressing sintering furnace.


Vacuum furnace graphite fittings include: graphite heating rod, conductive tube, support column, heating tube, graphite nut, graphite connecting piece, graphite bracket, graphite hearth plate, graphite heater.


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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