Carbon has the good property of good resistant-corrosion,high thermal conductivity and lower friction,good self-lubrication,the smaller expansion.They can be made into the seal faces,bearings and so on.It is ideal to choose it as the frictional mating rings.
Graphite chemical property
Category		Model	Density	Fractural Strength	Compressive Strength(MPa)	Shaw Hardness	Porosity	Temperatures
			(g/cm3)	(MPa)		(HS)	(%)	(oC)
Carbon-graphite	Impregnated Epoxy Resin(H)	M106H	1.75	65	200	85	<1	250
		M120H	1.7	60	180	80	<1	250
	Impregnated Furan Resin(K)	M106K	1.75	67	200	90	<1	250
		M120H	1.7	62	180	85	<1	250
	Impregnated Phenol Aldehyde Resin(F)	M106F	1.75	60	200	85	<1	250
		M120F	1.7	55	180	80	<1	250
	Antimony Carbon(D)	M106D	2.3	65	220	90	<1.5	400
		M120D	2.3	60	220	90	<1.5	400
		M254D	2.3	55	210	65	<1.5	450