Glossary of terms used in the polyurethanes business

Courtesy of Smithers-Rapra & Cromar Solutions Ltd, UK

 

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Reaction A chemical change in which two or more atoms or molecules give a new substance.

RIM / RRIM / SRIM Reaction Injection Moulding and Reinforced and Structural RIM. Processes which involve the rapid metering and mixing of polyurethane reaction ingredients, followed by their injection into a mould. (See also Polyurea RIM).