Question:
How do I apply Lustres?
liquid bright gold
The best known of the overglaze decorations is liquid bright gold which is a true solution of gold in solvents and oils
Cleaning for lustres
The object to which you are applying the overglaze must be thoroughly clean. Use a lint-free cloth and alcohol as the cleaner.
If you use alcohol to clean pieces before applying overglazes, be sure to allow plenty of drying time before starting to apply colour.
Proper overglaze decorating
Proper overglaze decorating begins with the greenware. Greenware which is to be overglazed should be carefully cleaned and fired to cone 04
Too light an application
Areas of purple, blue or brown metallic coatings are caused by too light an application of the metallic overglaze.
Uneven application MOP
Unlike other lustres and metallics, opal and mother-of-pearl should be applied unevenly. This is best accomomplished by swirling or stippling with the brush during application.
Removing unfired gold lustre
Some people use saliva to remove unfired gold.
Thinning lustres
Halo lustres and metallics can never be thinned since the solvents in these products must be present in exact proportions. Every effort must be made to insure little evaporation.
Sealing Metallic colours
A coating of clear spray will help seal metallic colours and make them easier to antique
Choosing the right brush?
When using a brush to apply overglazes, it is best accomplished with the largest brush suitable to the object being decorated.
Applications of lustres
Thin, even applications of lustres and metallics are necessary. If a deeper colour is desired then re-apply and refire.
lustre effects
For a special technique, you can over-fire a metallic. Fire it hottter than normal and the glaze will begin to move, making the overglaze move as well developing voids that allow the colour of the glaze to show through.
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| Guru Spotlight |
| Patricia Walters-Fischer |
