Seedlac is dissolved in an aqueous-alkali solution, filtered,
dewaxed and bleached with Sodium Hypochlorite to the desired
color. The shellac is then precipitated from the solution with
Sulphuric acid and dried.
Fruit coating, chocolate coating, protective coating is capsule
& tablets in pharmaceuticals, varnishes for paints and
printing inks, wood coatings, hot stiffening, cosmetics,
electrical industries etc.