Plastic

X X   X X   Extracts   X X   X X

→ Full Text of the Document

X X   X X   Extracts   X X   X X

..... r moulding). The noun `Plastic' is usually applied to all polymers which are not considered to be elastomers or fibres; i.e. which exhibit neither the long range elasticity of elastomers nor the very high crystallinity of most fibres. In the engineering sense, however, a plastic is a mixture containing one or more resins compounded with fillers, plasticizers, lubricants, dyes etc. which has be .....

X X   X X   Extracts   X X   X X

→ Full Text of the Document

X X   X X   Extracts   X X   X X

..... stance made by polymerization or condensation (as polystyrene or a phenol- formaldehyde resin) or derived from a natural material by chemical treatment (as nitrocellulose from cellulose), that are molded, cast, extruded, drawn, or laminated under various conditions (as by heat in the case of thermoplastic materials, by chemical condensation in the case of thermosetting materials or polyesters, or .....

X X   X X   Extracts   X X   X X

→ Full Text of the Document

X X   X X   Extracts   X X   X X