Collapsible tube and its head

摘要

A collapsible tube is obtained by heat bonding a head to a polyolefin sleeve, the head comprising a composition which comprises a polyolefin resin (A), a saponified product of ethylene-vinyl acetate copolymer (B) having a melting point of at least 135 DEG C., and a saponified product ethylene-vinyl acetate. copolymer (C) having a melting point of not more than 130 DEG C.