Example of polyetherimide formula

Polyetherimides are handicapped by the cost (though justified by the performances), a high density, an insufficient chemical resistance in some cases, the small number of grades and sources. 

They can be classified according to the type of processing, specific properties, or targeted applications  

As for all plastics, the costs fluctuate greatly with the crude oil price, and are only given to provide a general idea. They are typically of the order of a few tens of Euros to several tens of Euros per kilogram. 

All the molten-state methods are usable but the main ones are extrusion, injection, compression, machining and welding. 

The consumption of polyetherimide varies according to the country and the source. Global consumption can be estimated between 5000 and 10 000 tonnes per year, and can be approximately vided into three main sectors  

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