Technical Articles
Building with sandwich construction elements
HistoryHardly any other construction element has developed into an integral building system in the way that steel sandwich elements with PU insulation have. This development evolved over time, the main impetus coming from the ever increasing need for space in trade and industry.During the ongoing industrialization at the end of the 19th century, the need for larger buildings became more and...
Release agent-free production of PU parts (Part 1)
IntroductionFor the production of polyurethane parts the use of non-permanent release agents is still inevitable. This is necessary to decrease the reactivity of the PU with the mould surface. The release agent ensures an adequate surface quality of the part, an undisturbed production and a long mould life.Release agents are usually delivered in the form of dilutions or dispersions which are...
