Blown Film Extrusion
• Blown Film Extrusion is an established process which is used to manufacture a wide range of commodity & specialized plastic films for the packaging industry.
• Also known as Film Blowing Process, this extrusion process generally comprises extrusion of molten thermoplastic tube and its constant inflation to several times of its initial diameter.
• This forms a thin, tubular product which may be used directly, or indirectly by slitting it to create a flat film.