Abrasive resistant moulded polyacetal resin - and graphite compositions as bearing metal
摘要
<p>It consists of resin granules mixed with 0.1-0.5 wt. % of graphite, with the optional addn. of mineral or castor oil 1-5, Pb powder 1-5, and kaolin 0.5-4 wt.%. The mixture is then moulded under heat and pressure.</p>
