Patent ID: 6913809

Claim:
A film for forming a bag with a lap seal, a top seal and a bottom seal, the film comprising: a seal layer, wherein the seal layer includes metallocene catalyzed polyethylene, a barrier layer opposite from the seal layer such that seal layer and the barrier layer provide opposing exterior surfaces of the film, a peel layer positioned between the seal layer and the barrier layer, said peel layer comprising mineral filler and a matrix polymer, wherein the seal layer has a seal layer melting point and the barrier layer has a barrier layer melting point that is higher than the seal layer melting point, wherein the seal layer is capable of sealing to the barrier layer at a temperature below the barrier layer melting point, to enable the lap seal to be formed between the barrier layer and the seal layer when the film in formed into a bag, and wherein the seal layer is capable of sealing to itself at a temperature below the barrier layer melting point.