Likely as it's a 2 layer rubber type, but I'd contact Farnell and check to see if this one really is rated for use with soldering irons before purchasing (I think Multicomp is a Farnell brand), as it's not clear IMHO.
FWIW, most datasheets for 2 layer rubber mats have a "withstands heat from hot soldering irons and molten solder" type of statement rather than an actual temperature value. On the rare occasion I do see temperatures, it's usually higher, and may be rated with a time constraint (i.e. 600F/315C for 10 seconds).