Polyaeris.tion and eopolyaerisation products (for exaaple, polyethylene, polytetrahaloethylene, polyisobutylene, polystyrene, polyvinyl chloride, polyvinyl acetate, polyvinyl chloroacetate and other polyvinyl derivatives, polyacrylic and polyaethacryllc derivatives, cousarone­indene resins):
Productos de polimerizsción y copolimerizaeión (polietileno, polìtetrahsjloctilenos, poliisobutileno, poliestireno, cloruro de polivinilo, poliscétato de polivinilo, cloroacetato de polivinilo y demás derivados pol ι ν mil icos, derivados pol lacr i 1 icos, derívadoa pol lacril ico» y pol imet acni icos , résiner, de cuatarona­indeno, etcì: