| 摘要 |
A transparent lid sheet (S) for being punched to a transparent sheet lid (2) to be attached to a container (1), specifically either a polyethylene terephtalate, a polypropylene or polystyrene container (1 ) or a container (1) comprising either a polyethylene terephtalate, polypropylene or polystyrene surface layer, to produce a package, said lid sheet (S) comprising a transparent base layer (4), which comprises a transparent polyethylene terephtalate layer (4a) with a transparent barrier coating or barrier layer (4b) coated onto the polyethylene terephtalate layer, the base layer (4) having a first major surface (4c) substantially coinciding with an outer major surface of the barrier coating (4b), and a top layer (5) providing a welding layer (5b, 5c) for welding the sheet lid (2) to the container (1), the top layer (5) preferably being provided at or coinciding with the first major surface (4c). |
