Can flexible polyether be added with urea?

You can't. Flexible foamed polyether is a kind of high molecular polymer, which has excellent heat insulation, sound absorption, sound insulation and other properties. Urea is a common nitrogen fertilizer, and its main component is formamide. If the flexible foamed polyether is mixed with urea, some unpredictable chemical reactions will occur, which will affect the use effect and safety, so it is not allowed.