LID MATERIAL

摘要

PURPOSE:To provide a heat-sealable lid material for a styrenic resin container pref. from the aspect of an environmental measure such that the use of a reclained product of a manufacturing process is enabled and recycling is easy and incineration is also easy and almost generating no curling and excellent in easy peelability and electronic oven aptitude. CONSTITUTION:A layer 1 composed of a styrenic polymer having a syndiotactic structure being a base material or a compsn. containing the styrenic polymer and a styrenic resin layer 2 being a sealant are laminated by co-extrusion to constitute a lid material sheet.