Three layers blown film extrusion (also known as blow film co-extrusion) is a process of simultaneously extruding in molten stage three number of polymers which adhere to each other through a common d...

Three layers blown film extrusion (also known as blow film co-extrusion) is a process of simultaneously extruding in molten stage three number of polymers which adhere to each other through a common die to form an integral film of unique strength and barrier properties..