The selection of laminated multiple films are basically done up to consideraton of packing machine style, goods wich being packed and final shape.
Lamination film materials selected on the basis of packed good weight and tyupe.
OPP-OPP materials are selected for weight of goods up to 500 gr, over that weight OPP-CPP prefered.
OPP-PE lamination selected fort he weight over 1000 gr, if teh handling will be rather than appearance such as Detergant packages, PE-PET combination prefered, PEfor iner layer and PET for outher layer as a barrier and high sealing strength.