A plastic made by polymerizing two plastics-making substances (e. g. vinyl acetate and vinyl chloride) so as to get the good qualities of both, e. g. easy moulding and keeping its shape when moulded
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}