have an expected service life of several decades, which requires a very high product quality. In Germany, the quality association RAL-Gütegemeinschaft Kunstst [...] comprehensive evaluation of the entire window system—from raw materials to the end product. This includes not only the actual profiles, but also all components, such [...] Storage: Prior to the peel resistance test, the profiles must be stored for 42 days in an environmental chamber. Inside the chamber, the profiles are exposed to
https://www.jowat.com/pt-BR/newsroom/detail/a-closer-look-at-test-methods-window-profile-wrapping/