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Carbon Graphite

 
   Carbon-graphite is a self-lubricating material, and is a versatile seal face material used with mating rings of harder materials such as silicon carbide, alumina, or tungsten carbide. ZLSEAL carbon, has superior wear characteristics and broad chemical resistance. For severe corrodents including hydrofluoric and nitric acids, special carbon grades are available.
 
Hot-pressed graphite Technique Parameter
Density(g/cm3) 1.68
Hardness(HS) 65~80
Compressive Strength(Mpa) 147
Bend Strength(Mpa) 54
Friction Coefficient (mm) 0.15
Porosity(%) 0.3
 
Sort
Model
Density
Bendintstrenght
(Mpa)
Compression Strength
(Mpa)
Shaw Hardness
(HS)
Porosity
(%)
Sintered Graphite
Impregnated epoxy
M106H
1.75
65
200
85
2.5
M120H
1.70
60
180
80
2.5
M205H
1.70
60
200
70
2.5
M252H
1.72
45
120
45
2.5
Impregnated furan resin
M106H
1.75
67
200
90
2.0
M120H
1.70
62
180
85
2.0
M205H
1.70
62
180
75
2.0
M252H
1.72
47
120
48
2.0
KC-170
1.82
68
200
80
2.0
Impregnated phenolic resin
M106H
1.75
60
200
85
2
M120H
1.70
55
180
80
2
M205H
1.70
55
200
70
2
M252H
1.72
40
120
45
2
KC-573
1.85
85
370
110
2
KC-673
1.87
78
245
87
2
 

 
 
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