Temperature:Air -2°C to -8°C (28°F to 18°F)TS7 is a versatile wax suited for normal winter conditions below the freezing point. Its hardness makes it convenient to work with and easy to get a good end-result. For fresh, old or man made snow. Good in clean snow. The speed of the iron should be approx. 8-10 sec. on a skating ski. The wax can be re-heated after cooling to room temperature (10 min) for better durability. It is important to have a good iron to get an efficient melting of the wax. TS7 can be used as a race wax alone or as a base for top coats. Recommended iron temp: 140°C (284°F).