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. Behold the power of Hercules®, products built to last and trusted by plumbers to withstand even the toughest conditions.

• Use to lubricate pipe joints
• Use on PW, DWV and sewer systems
• Non-toxic, soft paste-like material for lubricating bell joint pipe gaskets
• Remains in a soft non-liquid consistency from 10 F to 120 F
• Will not support bacteria
• Compatible with copper pipe
• Clean, odorless, non-staining
• Adheres to wet and dry surfaces, preventing needless overuse of lubricant
• Does not contain petroleum hydrocarbon greases or silicones and will not swell gaskets
• Certified to ANSI/NSF 61
• Dissolves in hot water
• Will not leave residue after assembly and flushing