1.A thermoformable multi-layer sheet is disclosed, which comprises or is produced from a first co-extruded clear polymeric layer comprising an ionomer resin;
公开了一种可热成形的多层片材，其包含或者用如下各层制造：第一共挤出透明聚合物层，其包括离聚物树脂；
2.A thermoformable multi-layer sheet is disclosed, which comprises or is produced from a first co-extruded clear polymeric layer comprising an ionomer resin;