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  2. 2. POLYMERS Polymer materials have been steadily replacing traditional materials in this sector. Construction applications of plastics include pipes and guttering, window and door profiles, glazing, roofing, sealants and adhesives, cement, insulation, flooring and building panels. Civil engineering applications include geomembranes, road and sports surfaces, building reinforcement and bridge building. Polymer composites are multi-phase materials produced by combining polymer resins such as polyester, vinylester and epoxy, with fillers and reinforcing fibres to produce a bulk material with properties better than those of the individual base materials. Fillers are often used to provide bulk to the material, reduce cost, lower bulk density or to produce aesthetic features. Fibres are used to reinforce the polymer and improve mechanical properties such as stiffness and strength. High strength fibres of glass, aramid and carbon are used as the primary means of carrying load, while the polymer resin protects the fibres and binds them into a cohesive structural unit. These are commonly called fibre composite materials.
  3. 3. INTRODUCTION Polycarbonates, are a particular group of thermoplastic polymers. They are easily worked, molded, and thermoformed. Because of these properties, polycarbonates find many applications in building construction. Polycarbonate is a very durable material. Although it has high impact-resistance, it has low scratch-resistance. This polymer is highly transparent to visible light and has better light transmission characteristics than many kinds of glass. polycarbonate can undergo large plastic deformations without cracking or breaking. As a result, it can be processed and formed at room temperature using sheet metal techniques. Polycarbonate, is brittle and cannot be bent at room temperature.
  4. 4. Poly Carbonate Sheets are widely used as roofing material for skylights, dormer windows, Greenhouses, porches, coffee shops, hotels, hospitals, bus stops and various other commercial and public places. Owing to enhanced flexible strength, these Polycarbonate Sheets can be easily curve and bend into simple shapes. Further, these can be customized as per the specifications detailed by the clients regarding design, shape, size and dimension.