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