Specializing in blown film extrusion, PSi is a global market leader in engineering and manufacturing superior quality compost ... able sealant film and shrink sleeve decoration films. Across a wide variety of markets, our EarthFirst® and PolyFlex® product lines have shown customers they don't have to sacrifice quality and performance for sustainability, brand impact, and affordability. With over 65 years of experience, PSi is one of the premier film manufacturers in the word, and the only company that can reduce your sealant film use by up to 60% using sustainability sourced products. read more