Dewaxed Bleached Shellac

Dewaxed white shellac is used the same way as you would any

other grade of shellac. The major difference between this shellac and the others is that it is a bit harder, shines a bit brighter, is completely free from wax. Bleached shellac is non-toxic, edible and used widely in different industries including Food, food packaging and allied industries. Bleached lac has super characteristics and qualities i.e. adhesive, binding, hardening, gloss, odorless.

Fast drying, extending shelf life. And most clear, transparent or very light colored Alkali solutions can be obtained from it. Bleached shellac is available in two grades: waxy and dewaxed bleached shellac.

Process of Bleached Shellac The basic procedure in the bleached process consists in dissolving lac in aqueous sodium carbonate solution at 90-100 degree celcius, stirring off the dissolved materials and treating the solution with sodium hydrochloride solution and the start filtration after cooling down the temperature of solution. The bleached lac is reclaimed from the filtered solution with sulphuric acid. The precipitated bleached lac is then filtered and washed from water for removal of acid and dried. The dewaxed bleached shellac powder is approved by FDA USA for application in food and pharmaceutical products and conforms to specification according to usp-21 nf 18.

Packing: 25 kgs packed in 5 ply craft paper bags. Storage: Must be stored below 10 degree celcius in cool and dark place. Industrial uses of Dewaxed Bleached Shellac:

Coating of fruits and vegetables

Coating in tablets & capsules

Coating in confectionary

Coating in aluminum foil, paper

Coating in cosmetic industry

Bleached shellac is also widely used in the following industry:

Paints (primer for plastic parts and plastic film)

Aluminum industry (primer for aluminum and aluminum foils)

Flexographic and roto gravure printing inks

Pharmaceuticals (for coating of pills, tables and gel caps, making barrier coat for Vitamins,

coating for controlled release preparation)

Confectionery (in coating of confections, chewing gums, marzipan chocolates, nutties, jelly

beans etc)

Coating of coffee beans

Binder for food marking inks and stamping inks

Binder for egg coating

Barrier coating for processed food

Vegetable/food coating of oranges, lemons, apples, avocados, plants tomatoes, dry flowers

etc.

In textiles --used in textile auxiliaries, felt hat stiffening agents)

Cosmetics--hair spray, hair lacquers, hair shampoos

Binder for mascara

Additive for nail lacquers

Wood finishing; binder for wood coatings and wood stains

Filter/sealer for porous surfaces and cracks

Antique frames for paintings

Wood polish (French polish)

Textile- textile auxiliaries Adhesives- (additive to special adhesives)

Fireworks and pyrotechnics-- (binder for fireworks, matches etc and used in coating of

magnesia

Electric (it is binder for lamp cements).

Electronics (it is binder for insulation materials, serves as additive to moulding compounds.

Mass coating for print-plates and is adhesive for si-cells.)

Grinding wheels (it is binder for additive of grinding wheels)

Plastic (it is primer for plastic parts and films)

Rubber (it is additive to natural rubber and sbr)

Leather (in leather auxiliaries)

Seeds coatings

Fertilizers coatings

The coating performs one or more of the following functions: Enhances and protects the gloss, serves as a barrier to moisture either entering or leaving the confection, prevents blocking together, extends shelf like :

Specification of Dewaxed Bleached Shellac

Acid Value 65-90

Ester Value 135-195

Saponification Value 200-260

Melting Point (Capillary Method) 75ºC-91ºC

Wax Content: 0 .20% max.

Moisture: 6% max.

Insolubility in Hot Alcohol 0.10% max.

Rosin Content Nil

Ash Content 0.50% max.

Heavy Metals 10 PPM

Colour Pale Yellow

Arsenic Nil

Iron Nil