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Sealant is a substance used to block the passage of fluids through openings in materials,[1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based)[2] and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or strong, flexible or rigid, permanent or temporary. Sealants are not adhesives but some have adhesive qualities and are called adhesive-sealants or structural sealants.
- ^ "Sealant", Oxford English Dictionary Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009
- ^ "How to Choose the Right Caulk or Sealant for Your Next Plumbing Project | Oatey". www.oatey.com. Archived from the original on 2023-03-25. Retrieved 2023-03-25.