Compound Fluoroxprene
New material reduces fuel vapors
One of the biggest challenges is the transition to a resource-saving economy. With its new development Fluoroxprene, Freudenberg shows how materials can contribute to this. Originally designed for fuel lines, the compound has the potential for future-oriented sealing solutions.
Fluoroxprene was developed to reduce the permeation of fuel vapors through the walls of the supply lines. This permeation also contributes to a vehicle's emissions, but is often overlooked when considering overall emissions. Fluoroxprene reduces fuel vapors escaping into the atmosphere through the walls of the fuel hoses to a fraction of the usual quantities. And not only with standard fuels - aggressive, alternative plant-based fuels such as E10 or E85 are also safely contained. Fluoroxprene also optimizes safety in fuel systems. The electrical conductivity of the material helps vehicle manufacturers to protect the fuel system against static discharge.
Attempts to use so-called FKM/TPE materials in the automotive sector have been underway for some time. With Fluoroxprene, the sealing experts at Freudenberg have now succeeded in developing a processable compound of two highly fluorinated materials. It combines the high chemical resistance of fluororubber (FKM) with the easy processability of thermoplastic elastomers (TPE). Thanks to its outstanding properties, fluoroxprene also has the potential for completely new solutions in industry - far beyond its use in fuel hoses. By changing the proportions of the two components or constituents, the product properties can be adapted to a wide range of complex requirement profiles.
As the new material is very easy to process, it can be used in an innovative manufacturing process developed by Freudenberg. It combines proven injection molding technology with a mold design consisting of individual cavities, saves material and energy and helps to reduce waste. Fluoroxprene is therefore a good example of how companies can produce in a way that conserves resources while also increasing sustainability and efficiency on the customer side, says Freudenberg. as
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