Bitumous paint is an acid resistant material that is applied to the plate to prevent acids from ‘biting’ the plate. Bitumous paint tends to be thicker and can flake off – recommended for protecting the back of uncoated plates.
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Ferric chloride is necessary for the etching of plates for printing fine art images in intaglio (printmaking), a printmaking technique with an incised image. Ferric Chloride is recommended for school use. Acids must be handled sensibly. Use protective gloves and glasses.
Avaliable in 1Litre, 2 Litre and 4 Litre containers.
Liquid Grounds are poured onto the plate, then evened up with a soft roller or dabber. Liquid Grounds can also be applied with a foam or fan brush.
Grounds are acid resistant materials used to protect the plate from the action of acid. Hard grounds are able to hold fine linear work without chipping or flaking, soft grounds remain pliable on the surface allowing greater fluidity in the drawing and also enables textured materials to be pressed into the surface to produce tonal and pattern variations.