Fuel filter housing made of conductive PA-6

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In collaboration with the German material producer Lanxess, the German automotive part manufacturer Mann+Hummel has designed a cost-effective thermoplastic alternative to die-cast aluminum-based fuel filter housings. The new fuel filter housing and its lid are made of Durethan™ DP BCF 30 X H2.0, a 30% glass and carbon reinforced polyamide-6 (PA-6) grade from Lanxess AG. The parts are injected molded and welded together. The Durethan™ DP BCF 30 X H2.0 material has been chosen because it is an electrically conductive material that does not require any secondary finishing contrary to die-cast aluminum (which requires milling, grinding and drilling for instance) and simplifies subsequent assembly. It also offers enhanced design freedom and greater weight reducing potential. Furthermore this PA-6 grade exhibits high anti-static properties and its high electrical conductivity prevents static from building up in the filter due to the media flowing through it for instance. Last but not least it provides weight saving compared with die-cast aluminum and good resistance to gasoline, diesel and the new biofuels.

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