Three-layer die with large-dia center hole works in conjunction with a small-dia air-ring design to provide bubble stability needed for metallocene LLDPE. Achieves 350 lb/hr of narrow-width tube on 6" dies, with ±3% variation, to produce a strong bag.
Davis-Standard Corp.: Davis-Standard Corp.: Extruder for sacks
Davis Standard Film Systems' (Somerville, NJ) ProSack extrusion machine produces blown shipping sack film. Well-suited for narrow-width industrial bags/sacks ranging from 12" to 24"W, in 4- to 7-mil thicknesses.
Jul 31st, 1998