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Liquid Bright Gold is no different from gold jewelry.  The material value of LBG depends on the amount of gold in the liquid.  The ink could be formulated to contain say 8 or 11% gold but would fire out to the same brightness.  The fired film could range from 22 to about 24 karat. Pure (24 karat) gold film is rare because additives are necessary to make the film bright, continuous and adherent. For pure gold to adhere the film has to be fired to the softening temperature of the substrate.  Regardless of the gold content the fired film has to be bright and rich looking.  To deposit a reasonable amount of metal on the substrate the lower gold ink would be made thicker and hence, cover less area than with the higher one.  Dilution of the 11% gold to 8% would not necessarily produce the 8% LBG as supplied from the factory because the ink has to have the precise application properties to fire to a rich specular film without the purple stain common with lower quality Liquid Bright Gold.  SARA’s research has produced Liquid Bright Golds that fire to the finest grain gold attainable without trapped carbons to darken the gold film.  They are available in 8% and 11% gold or custom-made.  The 8% gold ink is recommended for highlighting, spot gold decoration or where small area is decorated.  Bright and burnish metal preparations of platinum, palladium and simulated copper, brass and bronze are also available.


Lusters are transparent and take on the transparency properties of glass, i.e., the color is deep where the film is thick, and the texture of the substrate, i.e., satin or matt will produce matt finish.  The luster with the exception of black will enhance or highlight the texture of the substrate.  Colors are formulated depending on the type of substrate and application.  Mother of pearl is the most popular of all lusters in ease of application and finish.  Call it rainbow, pearl, iridescent, etc., the iridescence is produced by interference colors similar with the sheen reflected from soap bubbles or oily film.  No two decorated wares will come out exactly alike.  Brush strokes in one direction will give a rainbow effect where the colors come in transition while swirling or irregular application will produce broken-up iridescence.  Black or dark (especially, satin or textured) substrate will produce carnival effect. SARA’s Mother of pearl luster can be fired to maturity at 950 F (510 C).


Halo luster or metallic in special solvent is applied on the substrate to produce coating of varying depth of color.  The first coat may also be repeated to increase the depth of color.  Thereafter, touch the tip of a luster loaded liner brush on the dried coating.  The liquid will move outward concentrating some of the coating into a circle or “halo.”  Halo at different spots as desired.  Long brush strokes could also be made to produce color streaks or veins.  The luster could also be dribbled or drop then blown (through a soda straw) to produce a sunburst effect. Luster colors other than the first could also be used for varied effects.  The metallic works better on black or dark substrates to reflect the true color of the metal.