... some powder to produce rod,sheet,tube profied products Formulation,Feature and Applications :Code No.Additive%ModificationApplication103010401050Glass ... and heat conductivityPlunger ring,supporting gasket and other bearing mechanical use40404040(S)Hard carbonSoft carbon20Creep-resistant,low ... water and liquid media Sealing ring,filler and bearing,etc.6030Carbon fiber15Creep-resistant,tolerance set and ...