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RectorSeal No. 21 - Half Pint
Part # AG711522
Package Qty: 1
RectorSeal® No. 21 is compounded scientifically from 13 carefully-chosen ingredients, making it a dependable sealant for lines carrying numerous types of liquids and gases, including anhydrous ammonia. It is especially applicable for threaded PVC, steel, iron, copper, and fiberglass-reinforced pipe.

California residents: see Proposition 65 information


  • Black in color
  • Versatile
  • Lubricates threads
  • Non-toxic
  • Soft-setting
  • Multi-purpose
  • Brush-top applicator
  • Does not dry out in the can

Misc Seals & Gaskets