Patkar Extrusions Ltd. Offers Non-Toxic Food Grade Cling Film. Patkar Extrusions Ltd. Supplies a wide range of Stretch and Cling Films in various thickness and sizes for application in Packaging Industries. The Non-Toxic Food Grade Cling Film is an Linear low-density polyethylene made film that is eco-friendly in nature and is used for food protection. The Non-Toxic Food Grade Cling Film is completely non-toxic available in different lengths and in the width of 300 mm or 15 micron.