Swix PS6 Blue, -6°C/-12°C, 180gTemperature: Air 6C to 12C (21F to 10F)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. Important to have a good iron to get an