polyethylene (low density)	soft, waxy solid
polyethylene (high density)	rigid, translucent solid
polypropylene (atactic)	soft, elastic solid
polypropylene (isotactic)	hard, strong solid
poly(vinyl chloride)	strong rigid solid
Poly(vinylidene chloride)	dense, high-melting solid
Polystyrene	hard, rigid, clear solid soluble in organic solvents
Polyacrylonitrile	high-melting solid soluble in organic solvents
Polytetrafluoroethylene	resistant, smooth solid
Poly(methyl methacrylate)	hard, transparent solid
Poly(vinyl acetate)	soft, sticky solid
cis-Polyisoprene	soft, sticky solid
Polychloroprene	tough, rubbery solid