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Synthetic resins have become increasingly important over the years, finding wide application in a variety of fields. Not least have been the tremendous strides made in the use of fibre reinforced resin systems. Although by far the bulk of all fibre reinforced products are made from unsaturated polyester r~sins reinforced with glass fibres, other resins and other fibres are playing an increasingly important role. It is with this in mind that the present book has been written. An attempt has been made to combine within one book information on the various resin systems and reinforcing fibres in use today, together with some properties and processing details. Since most of the resins available are formulated products rather than pure chemical compounds, some information has been included on commercially available materials. For convenience, where commercial data have been included, these have been located at the end of the appropriate chapter or, where only limited data are presented, at the end of the appropriate section. Such data have been included for the benefit of designers and fabricators, to indicate the wide choice of materials available and to enable them to select materials without having to approach a vast number of suppliers and then to sift through an even greater number of data sheets.
