How Poly Bags Are Made

Polyurethane bags, or poly bags, are some of the most popular and versatile materials on the market today. They have so many purposes that you probably have tons of polyurethane lying around without you even knowing it. If it looks like a clear and sturdy bag, it probably has a makeup of polyurethane. But how are poly bags made? But what makes polyurethane? Knowing how polyurethane is made can help … Read More