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This category lists organizations that primarily manufacture polyurethane foam. Manufacturers may additionally be involved in processing, converting and fabricating foam or in other unrelated activities, although none of these are the primary activity. Polyurethane foam is perhaps the most commonly produced foam material. It is made from the reaction of two key chemicals, a polyol and an isocyanate . Polyether and polyester are common forms of polyols. The foam is usually produced using either a continuous slabstock method or a molding process where individual items are produced.
