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  2. Resin casting - Wikipedia

    en.wikipedia.org/wiki/Resin_casting

    Alternately, resin casting may be accomplished with a resin plus a nearly equal amount of a "hardener" liquid (as in many epoxy resin or polyester resin systems), which functionally contains a second polymer, for use in forming a final product plastic which is a copolymer. Copolymers contain two different alternating chemical entities in the ...

  3. Fiberglass molding - Wikipedia

    en.wikipedia.org/wiki/Fiberglass_molding

    The mold is a negative image of the component to be made, so the fiberglass will be applied inside the mold, rather than around it. As in the mold-making process, release agent is first applied to the mold. Colored gelcoat is then applied. Layers of fiberglass are then applied, using the same procedure as before.

  4. Sheet moulding compound - Wikipedia

    en.wikipedia.org/wiki/Sheet_moulding_compound

    Sheet moulding compound (SMC) or sheet moulding composite is a ready to mould glass-fibre reinforced polyester material primarily used in compression moulding. [1] The sheet is provided in rolls weighing up to 1000 kg. Alternatively the resin and related materials may be mixed on site when a producer wants greater control over the chemistry and ...

  5. Bulk moulding compound - Wikipedia

    en.wikipedia.org/wiki/Bulk_moulding_compound

    The mixing is done at room temperature and stored at low temperatures to slow down curing prior to molding. The concentration of the mixture can vary depending on application, but is typically 30% glass fibers, 25% filler, and 45% resin, styrene, and initiator. [2] The material is provided in bulk or in logs approximately 4" in diameter.

  6. Fibre-reinforced plastic - Wikipedia

    en.wikipedia.org/wiki/Fibre-reinforced_plastic

    A suitable resin for combining the "fibreglas" with a plastic to produce a composite material, was developed in 1936 by du Pont. The first ancestor of modern polyester resins is Cyanamid's resin of 1942. Peroxide curing systems were used by then. [6] With the combination of fibreglas and resin the gas content of the material was replaced by ...

  7. Fiberglass - Wikipedia

    en.wikipedia.org/wiki/Fiberglass

    A suitable resin for combining the fiberglass with a plastic to produce a composite material was developed in 1936 by DuPont. The first ancestor of modern polyester resins is Cyanamid's resin of 1942. Peroxide curing systems were used by then. [6] With the combination of fiberglass and resin the gas content of the material was replaced by plastic.

  8. Fiberglass spray lay-up process - Wikipedia

    en.wikipedia.org/wiki/Fiberglass_spray_lay-up...

    The resin often contains a significant amount of filler. The most common fillers are calcium carbonates and aluminium trihydrates. In filled resin systems, fillers replace some of the reinforcements; 5 to 25% filler is used by weight. Steel, wood, GRP, and other materials are used as mould materials for prototyping purposes. The mould can be a ...

  9. Gelcoat - Wikipedia

    en.wikipedia.org/wiki/Gelcoat

    Gelcoats are modified resins which are applied to moulds in the liquid state. They are cured to form crosslinked polymers and are subsequently backed with thermoset polymer matrix composites which are often mixtures of polyester resin and fiberglass, or epoxy resin which is most commonly used with carbon fibre for higher specific strength.

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