Stop-out varnish asphaltum 1 liter
Description
Asphaltum Varnish
Black Bitumen Cover Varnish to protect covered parts from being etched.Stop-out Varnish prevents covered parts to be etched in the acid or in ferric chloride solution and other mordants.
Suitable for:
- printmaking - cover and protect the back of copper, brass and zinc plates and for making aquatinta
- electronics - prepare pcbs for etching and retouch defects in the photopolymer resist with stop-out varnish
- modelmaking - etching of metal plates
- Jewellery - structurize gems, bracelets and rings with ornaments
- blacksmith - paint marks on knive and sword blades prior to etching or electro-etching.
bitumen, rosin and turpentine.
Application:
Use a soft brush to cover the areas You want to protect. Methylated spirits or paint thinner may be added to make the stop ground more fluent.
Can also be used as a hard ground for subsequent work with the etching needle.
Drying:
Before the plate is submerged in the mordant, let it dry for at least one hour. Heat and air ventilation speeds up the drying process.
Removal:
To strip the varnish after etching, use a solvent like acetone or turpentine.
Alternatively the MungoLux Cleaner can be used. It is solvent-free and based on modified vegetable oils.
Use in well ventilated room only.
Other names: Strawhat Varnish
| Shipping weight: | 1,30 Kg |
| Contents: | 1,00 l |
