gasket RJ71G
GF85GS Pure Expanded Graphite Laminated Sheet and Foil

Description:
It is the raw materials for packing rings and various kinds of gaskets, it is used widely in chemical, automotive and pump, valve industries. It is an made from high purity graphite, it is used can be expanded graphite particles formed by the high temperature expansion of repression, it retains the high temperature crystalline flake graphite corrosion resistant, self lubricating, etc.

Technical data
Item
2nd grade
1st grade
Tolerance of density g/cm3
+/-0.06
+/-0.05
Carbon ceontent >/=%
98/99
99.5
Tensile strenght >/=Mpa
4
5
Compressibility >/=%
30
30
Recovery >=/%
15
15
Sulphur content
1200
700
Chlorine content
50
25
Stress relaxation rate %
10
10
Ignitionloss
2
0.5
Temperature °C degree
-240~+650
PH
0-14