Contains: Judea bitumen, mastic resin, wax.
Dry extract: 93%
Finish: Satin opaque
Formulated as a re-biting ground, used to rework a plate that has not been etched deep enough by the acid. Protects the surface of the plate without flowing into the recesses. Used to give the etched lines greater depth due to a fresh exposure to acid. Can be used as a soft ground.
How to Use:
It dries slowly and remains supple far a long time. It is applied hot.
Before applying these grounds, it is imperative that all grease be removed from the plate with a degreasing material. Rinse under flowing water. Pour a solution of vinegar and salt on the plate. Rinse once again. Dry rapidly. Avoid putting fingers on the plate whilst carrying out these operations.
After leaving the plate in acid for the required time, remove the plate from the acid bath solution and remove the ground using the appropriate thinner. The amount of time you leave the plate in the acid depends on the acid's strength (measured using an acetometer), the room temperature and the depth you wish to give the stroke. The etching is then ready and only the finishing touches need be applied. A retouching ground can be applied to the plate which may then be retouched as required following the lines of the previous etching.
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