Specialist crafts water based paper board inks sea greena revolutionary screen printing ink of industrial quality that is specifically produced for use on paper and board yet is water basedthis means it is safer to use and more environmentally friendly inks can be diluted with up to 50 water and colours can be intermixed to create a huge palette to use with water resistant stencils all water based inks are semi transparent adding opaque white to other colours will tone them down and in