Posts Tagged ‘building and construction’

Polyurethane

Definition: “Polyurethane“, like all plastics, is a polymer made by reacting diisocyanates (MDI and/or TDI) with a range of Polyols. Depending on the desired end product, chemical formulations may contain other ingredients such as catalysts, blowing agents and possibly flame retardants. Comments: Polyurethanes were invented back in the 1930s by Professor Dr. Otto […]

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