Processors and users of plastics often need to determine the chemical
nature of a plastics specimen. The highly practical and useful manual,
now in a fifth revised and supplemented edition, will enable you to
determine the class of plastic of a particular specimen. No extensive
knowledge of chemistry is required and yet it is more than a simple
tabular compilation. This manual is a handy, highly effective tool for
many practical situations. An additional supplement is a chapter that
shows strategies for identifying historical plastic objects; this is of
particular interest for assemblers, collectors, and conservators.