DEWAXED BLEACHED

 
 
Seedlac is dissolved in an aqueous-alkali solution,filltered,dewaxed and bleached with Sodium Hypochlorite to the desired color.The shellac is then precipitated from the solution with Sulphuric acid and dried. 

Applications 

Fruit coating, chocolate coating, protective coating is capsuld & tablets in phermaceuticals, varnishes for paints and printing inks, wood coatings, hot stiffening, cosmetics, electrical industries etc. 

Grade : Dewaxed Bleached Shellac (Physical Data)
 
 

Colour max. 1.5
Acid Value 75 - 90
Ash Content max. % 0.5
Insolubility in hot alcohol max. % 0.2
Moisture max. % 5.0
Saponification Value 210 - 250
Wax Content max. % 0.2
Heavy Metals max. ppm 5
Arsenic max. ppm 3