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Polyurethane (PU) is the generic name for polymers possessing a urethane bond. A urethane bond is formed via an additional reaction between an isocyanate group and a compound possessing active hydrogen, such as a hydroxyl group.

Polyurethane Diagram

Isocyanate groups are extremely reactive and for this reason, this reaction proceeds without the addition of heat. A major feature is that, once reacted, an extremely stable structure is adopted. In other words, the external appearance of polyurethane takes on various forms, such as foamed products, films, elastomers, powders, liquids, and emulsions

Polyurethane is our main business, Alvin is a leader in Polyurethane additives, offering the broadest range of PU additives for all types of Flexible, rigid and microcellular foams PU CASE(Coating, Adhesives, Sealants and Elastomers), our commitment to Polyurethane additives means more than just providing a selection of high quality, innovative and performing products, we have established a full capability of manufacturing facilities, technology center, sales, and customer services to assist you of complete satisfaction when choosing Alvin products as your preferred supplier of Polyurethane additives. Staffed with industry experts, we are already to help our customers solve current and future industry issues by working together and leveraging our production dept, and R&D Dept.

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