... preservation, thermal sealing, and printing properties This line, using multi-layer co-extrusion die head, water cooling, reversing haul-off technology ... -tight, cooking, preservation, thermal sealing, and printing properties. The multi-layer coextrusion packaging film could replace most of CPP and BOPP plastic ... at high quality but low price. MX3B Three-layer Coextrusion Water Quench Blown Film Line