Product Description
Flexible graphite sheet or roll is made from flake graphite with high carbon content which is gone through chemical treatment, expanding under high temperature and then rolling.It has the characteristics of high temperature resistance, corrosion resistance and good elasticity, and is the basic material for making all kinds of reinforced graphite sheets, graphite tapes, packing and sealing gaskets.Its using tempreture is -200~650¡æ(in the air mediu), -200~3000¡æ( in non-oxidizing medium).
Main properties£ºThe following properties are valid when sheet density is 1.0g/cm3 , other density sheet could be manufactured on customer¡®s demand.
|
Item
|
Grade A
|
Grade B
|
Grade C
|
Grade D
|
Grade E
|
|
Carbon content %
|
¡Ý99.5
|
¡Ý99.2
|
¡Ý99
|
¡Ý98.5
|
¡Ý98
|
|
Sulphur content PPM
|
¡Ü200
|
¡Ü500
|
¡Ü1000
|
¡Ü1300
|
¡Ü1500
|
|
Chloride content PPm
|
¡Ü20
|
¡Ü30
|
¡Ü40
|
¡Ü45
|
¡Ü50
|
|
Tolerance of densityg/cm³
|
¡À0.03
|
¡À0.03
|
¡À0.04
|
¡À0.05
|
¡À0.05
|
|
Tolerance of thickness mm
|
<1¡À0.03;1-1.5¡À0.05£»>1.5¡À0.1
|
|
Tensile strength
|
¡Ý4.0
|
|
Compressibility %
|
¡Ý40
|
|
·´?ÂÊ%
|
¡Ý10
|
Product Specification£º
|
hicknessmm
|
Widthmm
|
Lengthm
|
Density g/cm3
|
|
Roll
|
Sheet
|
42~1500
|
1~910
|
0.7~1.5
|
