Hercules® Duck Butter® Pipe Lubricant, Water-Soluble, 2 lb, Composition: Sodium and Potassium Salts of Tall Oil, Paste, Off-White, Slight, >212 deg F Flash, 9, <12 g/L VOC, Flammability: 0
Hercules® Duck Butter® is a water-soluble pipe lubricant for joining pipe and fitting with rubber, synthetic rubber or plastic gaskets. The soft paste spreads easily and thinly to give superior lubrication.