Temperature range from -4C to 4C (25F to 39F). Recommended iron temp: 130C (266F). A continuation of the std. LF8, a great wax for both base-prep and training. It can also can be used as a race wax, preferably with Cera F powder on top. Easy to melt and very convenient to work with.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 efficient melting of the wax.When used as a base for Cera F, we recommend the FC08X powder.