Fig. 21From: Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings ProjectSEM images (~ 500×) of a M2-Pu mock-up before (BC) and after (AC) cleaning with Nanorestore Gel® Peggy 6 indicate less surface soiling than before cleaning (rating 5), but filling of a paint creviceBack to article page