Do you really need nine layers?

摘要

Only a small number of processors run nine-layer blown film lines,but some experts believe the technology will gain greater use among progressive companies that want to differentiate their products from their competitors' offerings.Blown film equipment manufacturer Battenfeld Gloucester Engineering sees a bright future for nine-layer technology.The company has already sold several of its nine-layer Optiflow LP dies,and is installing a nine-layer line at its technical lab in Gloucester,MA.