mold a catalyst

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• Fiberglass spray lay-up process — is similar to the hand lay up process. The difference comes from the application of the fiber and resin material to the mold. Spray up is an open molding composites fabrication process where resin and reinforcements are sprayed onto a reusable… …   Wikipedia

• Fiberglass — This article is about the plastic composite. For insulation material, see glass wool. For the fiber itself, see glass fiber. Fiberglass (also called glass reinforced plastic, GRP[1], glass fiber reinforced plastic, or GFRP[2]), is a fiber… …   Wikipedia

• Core (manufacturing) — A core is a device used in casting and molding processes to produce internal cavities and reentrant angles. The core is normally a disposable item that is destroyed to get it out of the piece.[1] They are most commonly used in sand casting, but… …   Wikipedia

• industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

• Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …   Wikipedia

• plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …   Universalium

• arts, East Asian — Introduction       music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature.       Some studies of East Asia… …   Universalium

• Polypropylene — Chembox new Name = Polypropylene ImageFile = Polypropylen.svg ImageSize = 100px ImageName = Polypropylene IUPACName = poly(propene) OtherNames = Polypropylene; Polypropene; Polipropene 25 [USAN] ;Propene polymers; Propylene polymers; 1 Propene… …   Wikipedia

• Glass-reinforced plastic — (GRP), is a composite material or fiber reinforced plastic made of a plastic reinforced by fine fibers made of glass. Like graphite reinforced plastic, the composite material is commonly referred to by the name of its reinforcing fibers… …   Wikipedia

• Polyester resin — Unsaturated Polyester Resin. The term generally used for unsaturated (means containing chemical double bonds) resins formed by the reaction of dibasic organic acids and polyhydric alcohols, basic component of SMC/BMC.Unsaturated polyesters are… …   Wikipedia

• elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …   Universalium