摘要 |
A composition based on PTFE, in the form of a paste, obtained by mixing a PTFE powder with mineral fillers selected from PbO, Pb powder, aluminum silicates, graphite, MoS2, a resin of high adhesive properties, in particular an epoxy resin; solvents with good wetting properties for the solid ingredients and vaseline in order to impart to the paste the suitable degree of viscosity, said paste being applicable in a very thin layer to porous bronze bearings or supports, and suited for forming a self-lubricating layer, after a thermal treatment of said PTFE on said bearings. |