Hercules 40501 Duck Butter Lubricant

Water soluble pipe lubricant for joining pipe and fittings with rubber, synthetic rubber, or plastic gaskets. Soft paste spreads easily and thinly to give superior lubrication. Provides optimum lubricity for your pipe material ensuring safe and efficient assembly whether applied by hand, swab, or brush. Clean, odorless, non-staining; adheres to wet and dry surfaces preventing needless over use of lubricant. Remains in a soft, nonliquid consistency from 10F to 120F. Does not support bacterial growth, is non-toxic, and harmless to people and the environment. Does not contain petroleum hydrocarbon greases or silicones and will not swell gaskets. Will not deteriorate cast iron pipe. NSF Standard 61 listed for potable water, sewer and DWV. Indefinite shelf life when kept uncontaminated and sealed in original container. Will not leave residue after assembly and flushing.