Development of low-odour binder systems for core manufacture in an aluminium foundry

As it turned out, not just the binding system but the whole casting material system needed to be upgraded in order to reduce odour emissions. The recently developed low-odour polyurethane (PU) cold-box binder system has proved to be an effective primary method of reducing odour emissions in aluminium casting foundries, mainly because of the new type of solvent used in the binder.  

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Source: German National Library of Science and Technology Hannover (TIB)