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Gasket vs Sealant - What's the difference?

gasket | sealant |

As nouns the difference between gasket and sealant

is that gasket is any mechanical seal that serves to fill the space between two objects, generally to prevent leakage between the two objects while under compression while sealant is any material used to seal a surface so as to prevent passage of a fluid.

gasket

English

(wikipedia gasket)

Noun

(en noun)
  • Any mechanical seal that serves to fill the space between two objects, generally to prevent leakage between the two objects while under compression.
  • A material which may be clamped between faces and acts as a static seal. Gaskets may be cut, formed, or molded to the desired configuration.
  • Any of a wide variety of seals or packings used between matched machine parts or around pipe joints to prevent the escape of a gas or fluid.

    • See also

    * blow a gasket, bust a gasket

    sealant

    English

    Noun

    (en noun)
  • Any material used to seal a surface so as to prevent passage of a fluid.
  • (Construction) A mixture of polymers, fillers, and pigments used to fill and seal joints where moderate movement is expected.

    • Derived terms

    * dental sealant * fissure sealant * pit and fissure sealant * sealant backing