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The material finds application for sealing of steam heads,mechanical front seals of pumps and sealing bushings of differenttools and instruments. It contains the following raw materials, invol. %: graphite powder (under 150 m) from 64 to 68, 50%-liquidphenolformaldehyde resin from 16 to 20, 95%-ethyl alcohol from 14to 16 and hexamethylenetetramine 0.8-1.0. The graphite-containingcomposite material produced based on this has the followingphysicomechanisl characteristics: relative mass 1.84-1.86 g/cm3,bending strength 48-50 MPa, compression strength from 130 to 150MPa, Rockwell hardness, type HRL 82-84 and heat resistance 470°K.1 claim
BG100652A1996-06-101996-06-10Composition for the production of graphite cmposite material
BG100652A
(en)