Polymers of vinyl chloride or of other halogenated olefins, in primary forms
Polymers of vinyl chloride or other halogenated olefins, in primary forms (excl. poly"vinyl chloride", copolymers of vinyl chloride, polymers of vinyl chloride and fluoropolymers)
Vinyl chloride copolymers, in primary forms (excl. vinyl chloridevinyl acetate copolymers)
Poly"vinyl chloride", in primary forms, not mixed with any other substances
Vinyl chloridevinyl acetate copolymers, in primary forms