二硫化钼干膜润滑剂，耐高温和腐蚀。 PL237-R2 Dry Film Lubricant. PL237-R2 is a high temperature resistant Molybdenum disulphide loaded dry film lubricant coating. For use where high wear and pitting occurs and as a protection against fretting, where short service life occurs due to chemical attack, corrosion or high temperature or where lubrication internals are often too ,