All-polymeric collectors, as well as lightweight polymeric storage tanks and innovative material combinations for framing and mounting were studied by various companies in the framework of IEA “Task 39” (Koehl et al., 2014).
All-polymeric collectors, as well as lightweight polymeric storage tanks and innovative material combinations for framing and mounting were studied by various companies in theframework of IEA “Task 39” (Koehl et al., 2014).