A Low-Extractable Fuel Line

Evonik Industries AG
Kirschenallee
64293 Darmstadt
Germany

Halle: /

The use of fuels containing alcohol, for example biofuels containing ethanol, can lead to the extraction of substances for the inner walls of conventional fuel lines. Under certain extreme conditions, these substances can clog the nozzles in the case of new sensitive fuel systems, which use small-diameter nozzles to create a fine atomised spray of petrol and air in order to decrease fuel consumption during fuel injection. Evonik has already been offering a conductive system that fully meets the requirements in this area for many years in the form of its MLT 7440 and is now supplementing this system with a non-conductive version. The new "MLT 4800" multi-layer tubing system (see image) is comprised of an outer layer of VESTAMID® polyamide 12 and a barrier layer of ethylene vinyl alcohol (EVOH) to prevent fuel permeation. The inner layer of the system is made of a newly developed low-extractable VESTAMID® polyamide 612, which has a significantly lower content of extractable substances.
Evonik Industries AG
Darmstadt, Germany
Hall 3, stand 3502
Press contact: Dr Ursula Keil
Telephone: +49 2365 499878
E-mail: ursula.keil@evonik.com
Website: www.evonik.com/automotive