DN Staff

March 9, 2010

1 Min Read
Engineering Polymers from Ticona

MATERIALS: Extensive storage tests confirm that engineering polymers from Ticona deliver the chemical resistance required for long-term direct contact with AdBlue®, which is used for exhaust treatment systems in today’s diesel vehicles.

Fortron® polyphenylene sulfide (PPS), Celstran® long fiber-reinforced thermoplastics (LFRT) with a polypropylene (PP) or polyamide (PA) matrix and Hostaform® acetal copolymer (POM) all offer one of the most important criteria for polymers in exhaust treatment systems of diesel vehicles that use AdBlue technology — chemical resistance. These engineering polymers from Ticona can be used in components with direct exposure to AdBlue such as pumps, valves, sensors and control timing cases.

AdBlue is a highly pure aqueous urea solution used in SCR (Selective Catalytic Reduction) technology to convert environmentally harmful nitrogen oxide (NOx) into harmless nitrogen. Use of this technology can reduce overall diesel fuel consumption. Unlike vehicles with NOx storage catalytic converters, vehicles that use SCR technology do not need to switch to the so-called “rich-burn mode” to regenerate the storage system.

-Edited by Kelsey Anderson

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