Technology currently exists to produce blown films with up to 77 layers.The most common number of coextruded layers in use today is 3 layers,with a trend to 5- and 9-layer films.As machinery advances are made,new product structures are createdto fulfill various market need.A balance will be struck b

While there is a lot of technical merit to 7/9/11-layer blown film lines,the market will have to sort out the utility of this new technology.Until then,there is a very large installed base of 3- and 5-layer blownfilm lines,dozens or more oriented film machines,vacuum metallizers,adhesive laminators

Over the tears,manufacturers have come up with blown film lines that can produce up to 11layers,so far only a few have been installed.Are 11 layers really necessary or is it like taking a sledgehammer to crack a nut?It' the age old question..."which came first,the chicken,or the egg?'Are 7/9/11 layer films lines being sold because they are needed for a product,market or economic reason,or because they are the newest and latest equipment technology?

Technology currently exists to produce blown film with up to 77 layers.