Glossary of terms used in the polyurethanes business

Courtesy of Smithers-Rapra & Cromar Solutions Ltd, UK

 

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Filler An inert material added to a polyurethane reaction mixture. Fillers are usually solid, particulate materials such as glass, silica or barytes.

Flame retardant An added substance which inhibits the initiation and/or spread of flame.

Fluorocarbon A substance containing fluorine and carbon with other chemical elements. The most common fluorocarbons used in polyurethanes are the volatile liquids CFM-11 (CCl3F) and CFM-12 (CCl2F2). CFM is an abbreviation of chlorofluoromethane. CFC is an abbreviation for chlorofluorocarbon.

Functionality (fn) The average number of chemically-reactive groups on each individual molecule.