Glass paint and decoration for fused glass jewelry can be applied in several ways. Using lead-free opaque and transparent enamel powders is one of the main techniques used today. There are various online sources from where you can find the best Glass Slumping Mold.
The colors can be mixed, which means that a particularly wide color palette is available.
They are not enamels in the normal sense, but finely ground, low-melting glass particles, which after being applied are fired in a glass melting furnace so that the enamel fuses to the piece of jewelry.
Care must be taken when handling glass enamel to ensure that the particles are not inhaled as this could lead to serious lung disease. A respiratory mask and good ventilation are strongly recommended when handling these powders.
Dry enamel powder is applied by placing the powder on a small sieve and then sifting it over the glass or applying it with a brush. Stencils or tape can be used to mask areas of the glass. A texturing tool can be used to produce patterns on the glaze.
Sifting the dust over objects that are held on the glass can produce interesting patterns. Fine combs or fine mesh are some of the items you can use. Several firings may be required to produce different layers of color and ensure color fixation.
Wet enamel is applied by brush; Normal craft brushes are suitable for this. Rubber stamps and sponges can also be used with wet enamel to produce special effects.
One of the main suppliers is Thompson Enamels, where you can find much more information and publications on enamel.
Fuse Master and Unique Glass Colors also produce excellent paints.
Paints come in low or high fire powders, oven bakes temperatures between different types and brands can vary, so you'll want to check manufacturers’ bake temperatures.
Glass bead makers can roll their hot beads through the enamel powder and take on a layer of color. Enamel powder can be mixed with a water-based medium and mixed with frit or glass powder and packed in pate de Verre molds and then fired.