Liquid polymer resin has been passed through a machine that extrudes the liquid polymer to a horizontal die. The cool and smooth roller makes it cool. These films are minimally pre-stretched, and you can use them seamlessly to pack pallets and boxes to protect them from transport damage. The polyolefin spreads evenly over the extrusion die and gives a smooth shape. It also increases the consistency of gauge rollups and expansions. The owners of packaging houses in Melbourne can purchase cast films in Melbourne from online or offline stores.