must be smaller than 10 u03bcm 3 photoinitiator is stirred into the coating application is carried out with the aid of a spiral doctor blade amount applied 36 u03bcm on black lacquered metal sheets curing is carried out with a uv unit current uptake of the uv lamp mercury vapour lamp 7 5 10 ma belt speed 10 m min irradiation intensity 1 w cm 16 silica according to example 2 are stirred into the binder 3 epoxyacrylate b with a dissolver and then predispersed for 5 min at 3000 rpm disc u00f845 mm the mixture is dispersed in a laboratory bead mill for 15 min at 2500 rpm and a pump output of 40 1 mm glass beads are used as the beads the dispersing quality is checked with a grindometer 25 u03bc in accordance with din iso 1524 it must be smaller than 10 u03bcm 3 photoinitiator is stirred into the coating application is carried out with the aid of a spiral doctor blade amount applied 36 u03bcm on black lacquered metal sheets curing is carried out with a uv unit current uptake of the uv lamp mercury vapour lamp 7 5 10 ma belt speed 10 m min irradiation intensity 1 w cm the metal sheets are scoured with a quartz water slurry 100 g water 1 g marlon a 350 0 25 5 g sikron f500 with 100 strokes with the aid of a scouring and washing resistance testing machine erichsen the shine before and 10 min after scouring is determined with a reflectometer 20 u00b0 incident angle aerosil u00ae.