HINGE CAP HAVING BIODEGRADABILTY

摘要

A hinge cap comprising a cap body composed of a top wall, an ejection port provided in the top wall and a sidewall suspending from the circumferential edge of the top wall, and an upper lid hinged to the cap body and closing the ejection port, characterized in that the cap is composed of polyalkylene alkanoate resin having a flexural elastic modulus of 200-900 Mpa, more preferably 300-800 Mpa.