In sizes up to 18 in. dia, Metcar grades M-106 and M-400 are resin-impregnated, carbon-graphite materials intended for mechanical parts that must run submerged in liquids. Self-lubricating materials resist wear and chemicals, and are non-galling, self-polishing, and dimensionally stable. Operating at temperatures to 500°F, products can be steam cleaned and are Generally Recognized as Safe for food processing applications by FDA.