Temperature range from -8̴åÁC to -14̴åÁC (18̴åÁF to 7̴åÁF). Recommended iron temp: 150̴åÁC (311̴åÁF).The 5 series is brand new for the Cera Nova X line, and fulfill a hardness gap between the 4 and the 6 series. It‰ۢÌÛ_s easier to applY than the 4 series, but provides outstanding glide properties within its temperature range, and has a great durabilitY.The speed of the iron should be approx. 8-10 sec. on a skating or alpine ski. The wax can be re-heated after cooling to room temperature (10 min) for better durabilitY.Scraping after appr. one minute. Important to have a good iron to get an efficient melting of the wax. Scraping after appr, one minute.CH05X can be used as a race wax alone, but is often used as a base for Cera F powder, such as FC05X.