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Epoxy resin: a two-part thermosetting polymer increasingly used in modern wooden boat building variously as an adhesive, filler (admixed with other materials), and a moisture-resistant barrier in hull and deck construction, sometimes applied in conjunction with reinforcing cloths such as fibreglass, kevlar or carbon fibre.
Epoxy moisture control systems can be applied over concrete with relative humidity levels up to 100%, and there are systems available on the market today that can be applied over concrete that is physically damp. In some cases, with the use of an epoxy moisture control system, floor coverings can be installed just 7 days after the slab is poured.
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The plastics include polyolefins such as polyethylene and polypropylene, as well as polystyrene used to produce Styrofoam insulating material. Dow manufactures epoxy resin intermediates including bisphenol A and epichlorohydrin. Saran resins and films are based on polyvinylidene chloride (PVDC).
Epoxy is the family of basic components or cured end products of epoxy resins. Epoxy resins, also known as polyepoxides, are a class of reactive prepolymers and polymers which contain epoxide groups. The epoxide functional group is also collectively called epoxy. [1] The IUPAC name for an epoxide group is an oxirane.
FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing). "FR" stands for "flame retardant", and does not denote that the material complies with the standard UL94V-0 unless testing is performed to UL 94, Vertical Flame testing in Section 8 at a compliant lab. The ...
Epoxy putty refers to a group of room-temperature-hardening substances used as space-filling adhesives. Exact compositions vary according to manufacturer and application. Exact compositions vary according to manufacturer and application.
CEM-1 is low-cost, flame-retardant, cellulose-paper-based laminate with only one layer of woven glass fabric. [4] CEM-2 has cellulose paper core and woven glass fabric surface. CEM-3 is very similar to the most commonly used PCB material, FR-4. Its color is white, and it is flame-retardant. [5] CEM-4 quite similar to CEM-3 but not flame-retardant.