A 'sealant' is a viscous material that changes state to become solid, once applied, and is used to prevent the penetration of
air,
gas,
noise,
dust,
fire,
smoke or liquid from one location through a barrier into another. Typically, sealants are used to close small openings that are difficult to shut with other materials, such as
concrete,
drywall, etc. Desirable properties of sealants include insolubility,
corrosion resistance, and
adhesion. Uses of sealants vary widely and sealants are used in many industries, for example,
construction automotive and aerospace industries.
An example of a sealant is
silicone.
Types of Sealants
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Acryl Sealants
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Polysulfide Sealants
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Polyurethane Sealants
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Silicone Sealants
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WKT Sealants
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Firestop
See also
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Stone sealer
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Waterproofing
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Varnish
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Coating
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Dental sealant
External Links
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Information on industrial sealant selection - From Reliable Plant magazine