Dewaxed Bleached Shellac
Dewaxed Bleached Shellac manufactured by us is in powder form. This product needs expert supervision while getting manufactured and hence we have team of experts who supervise the manufacturing process. In order to provide the best output, best quality Seedlac is used which is actually a non – toxic and harmless. This makes the products fit to be used in food industry. It is seen as a transparent, clear and very lightly colored solution. One can obtain alcoholic or water alkali solution from Dewaxed bleached Shellac powder.
With international standards kept in mind, the Dewaxed Shellac prepared at our premises are best example of quality. Let us now have a look at some of the common properties of Dewaxed Bleached Lac which makes it unique.
Solubility
Dewaxed Bleached Shellac is easy to be dissolved in an Aqueous Alkaline solution. This is done at a temperature of 60 C on stirring. As far as solubility is concerned Dewaxed Bleached Shellac is soluble in solvents of hydroxyl group but insoluble in Glycerol, Palmitic Acid and Hydrocarbon. It is soluble in Ethanol, Menthanol, Propanol, Formic etc.
Specifications
Loss on drying |
3-4.5% max |
Insoluble in hot alcohol |
0.1 to 0.2% max |
Life |
13 to 18 minutes |
Colour |
> 7(Gardner) |
Wax content |
Bleached shellac: not more than 5,5 % Wax-free bleached shellac: not more than 0,2 % |
Lead |
Not more than 2 mg/kg |
Rosin |
Absent |
Ash content |
0.3 to 0.5% |
Acid value |
75 to 89 |
Saponification value |
210 to 250 |
Storage
Dewaxed Bleached Shellac can be stored in Cold storage rooms, A.C. rooms or cool places. This is imperative in order to maintain its powder form.
Application
Dewaxed Bleached Shellac is used in various applications. In Pharmaceutical industries, it is used for the coating of capsules, pills and tablets. This helps the inner ingredients to be safe and protected. Other industries where this product is used are cosmetics, food packaging, chocolate coatings, foils, laminated papers, ink, flexografics, hair – laquer, insulating varnishes, leather dressing, electrical and electronic and rubber compounds etc.
Some of the principal industrial applications are mentioned below: