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  2. Caulk - Wikipedia

    en.wikipedia.org/wiki/Caulk

    Caulk (also known as caulking and calking) [1] is a material used to seal joints or seams against leakage in various structures and piping. The oldest form of caulk consisted of fibrous materials driven into the wedge-shaped seams between boards on wooden boats or ships .

  3. Sealant - Wikipedia

    en.wikipedia.org/wiki/Sealant

    A caulking sealant has three basic functions: It fills a gap between two or more substrates; it forms a barrier due to the physical properties of the sealant itself and by adhesion to the substrate; and it maintains sealing properties for the expected lifetime, service conditions, and environments.

  4. Silicone - Wikipedia

    en.wikipedia.org/wiki/Silicone

    Silicone is a widely used material in the aerospace industry due to its sealing properties, stability across an extreme temperature range, durability, sound dampening and anti-vibration qualities, and naturally flame retardant properties. Maintaining extreme functionality is paramount for passenger safety in the aerospace industry, so each ...

  5. List of polyurethane applications - Wikipedia

    en.wikipedia.org/wiki/List_of_polyurethane...

    Industrial Insulation. Rigid polyurethane foam is used in various industries to provide thermal insulation to installations and pipes. In particular, the piping for district heating systems in Europe is primarily insulated using a pre-insulated pipes sandwich assembly composed of a steel heat service pipe, an insulating layer (polyurethane foam) and a polyethylene (PE) casing, which are bonded ...

  6. Dibromo neopentyl glycol diglycidyl ether - Wikipedia

    en.wikipedia.org/wiki/Dibromo_neopentyl_glycol...

    As an epoxy modifier it is classed as a reactive diluent, which may then be formulated into CASE applications (coatings, adhesives, sealants, and elastomers and composite materials). [2] As it is an organobromine compound it is used to improve the Flame retardant properties of materials. [ 3 ]

  7. Calcium silicate - Wikipedia

    en.wikipedia.org/wiki/Calcium_silicate

    As a product of sealants [ edit ] It is used as a sealant in roads or on the shells of fresh eggs : when sodium silicate is applied as a sealant to cured concrete or egg shells, it chemically reacts with calcium hydroxide or calcium carbonate to form calcium silicate hydrate, sealing micropores with a relatively impermeable material.