Patkar Extrusions Ltd. Manufactures Hand/ Machine Grade Stretch Film. Patkar Extrusions Ltd. Offers a wide range of Stretch and Cling Films in various thickness and sizes for application in Packaging Industries. The Hand/ Machine Grade Stretch Film is a Linear low-density polyethylene film made from premium resins on three layer cast line. The Hand/ Machine Grade Stretch Film is available with good Cling and Clarity and comes in the width of 50 mm.