Graphite products for photovoltaic industry - Zibo Ouzheng Carbon Co., Ltd

2020/03/23
Graphite heating element

Graphite heating element

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