What is PVC? - PVC.Plastics are also called synthetic resins and are broadly classified into two categories: thermosetting resins and thermoplastic resins. The thermosetting resins include phenolic resin and melamine resin, which are thermally hardened and never become soft again.
BBC - GCSE Bitesize: Plastics.Synthetic. Synthetic plastics are . 'plastic' boxes and containers: Low density polythene Tough, good resistance to chemicals, flexible, fairly soft, good .Plastic - Wikipedia.Plastic is a material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and can be molded into solid objects. Plastics are typically organic polymers of high molecular mass, but they often contain other substances.
Hard Plastic and Soft Plastic - pslc.Hard Plastic and Soft Plastic. Of course, we've all seen plastics that are hard, and some that are soft. The plastic keys on your keyboard are hard, while the plastic around the cables of the same computer is soft. This is because each plastic has a certain temperature above which it is soft and pliable, and below which it is hard and brittle.
The History and Future of Plastics Chemical Heritage .The History and Future of Plastics What Are Plastics, . The First Synthetic Plastic. The first synthetic polymer was invented in 1869 by John Wesley Hyatt, .
Synthetic plastic - update.revolvy.com.Note 2: This term is used in polymer engineering for materials often compounded that can be processed by flow. Plastic is material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects.
BBC - GCSE Bitesize: Synthetic fibres.This Revision Bite looks at fibres, the basis of all textiles.
Plastic Define Plastic at Dictionary.com.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, casein materials, and proteins: used in place of other materials, as glass, wood, and metals, in construction and decoration, for making many articles, .
Plastics and Polymers - Nobelprize.org.Plastics and Polymers Plastics have changed the world . . There are hard plastics and soft plastics, . Plastics are synthetic materials derived from organic .
How To Fish With Swimbaits Sport Fishing Magazine.Sport Fishing magazine highlights the newest . and along jetty rocks . the two main build materials used in soft baits are synthetic plastic-polymer .
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