The temperature makes the difference
WHICH HARDENERS AND REDUCERS SHOULD BE USED IN 2K PU TOPCOATS AND CLEARCOATS? The temperature table provides a clear and straightforward overview of which product is best suited for use at a particular temperature.
The material combination (hardener and reducer) may be changed, depending on temperature and object size. The hardeners and reducers recommended below for various temperature ranges are for overall resprays. For panel repairs, select the material combination indicated for the next lowest temperature range. Please refer to current technical data sheets!