Low-Density Polyethylene Products. Plas-Tech, Inc is a low-density polyethylene manufacturer of bags, sheets, tubing, and roll stock in Omaha, NE. We are very dedicated to meet each need you may have, regardless of how large or small it may be. Be assured all virgin polyethylene manufactured at Plas-Tech, Inc. is FDA and USDA approved. We strive to offer you quality material, customer service, and competitive prices with time deliveries. Our products include: Bags Sheets Tubing Roll stock Our owner has over 28 years of hands on experience with poly extrusion and converting. We have over 21 years' experience in management, sales, and customer relations. With the commitment to quality and service, Plas-Tech, Inc feels we can provide you with a service never offered to you before with your poly requirements. Plas-Tech, Inc offers many types of material, custom made for each customer. As stated earlier, our goal is to provide you with quality bags at competitive prices and timely deliveries. Call Plas-Tech, Inc today for more information.