Gränges’ research and development portfolio

Some examples of current research projects that Gränges also offers commercially to its customers are listed below.


A product developed in collaboration with Sandvik. The material makes the brazing process possible without the need to add flux salt. This allows customers to overcome many limitations and high costs related to the traditional brazing process, where the application of flux salt is needed.


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Strong-sagging-resistant fins

This technology allows customers to downgauge fin materials and/or apply tougher brazing cycles without compromising quality and performance. Gränges’ research and development efforts have resulted in 15 patent families and 174 patents, of which 88 have been granted to date.