Master gum: made of synthetic rubber type "bread crumb" Improved absorption of carbon for drawing and graphite. Easy to wipe, without The need to press on the paper surface to form soft crumbs. Also used for shading strokes on charcoal drawings.
Master gum: made of synthetic rubber type "bread crumb" Improved absorption of carbon for drawing and graphite. Easy to wipe, without The need to press on the paper surface to form soft crumbs. Also used for shading strokes on charcoal drawings.