Swix PS6 Wax 180gSwix PS6 is very versatile. Its area of use stretches from base for powder to racing wax and base prep wax for cold skis. PS6 has a good durability and offers great performance on natural and artificial snow. 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. It's important to have a good iron to get an efficient melting of the wax.