Bleached Shellac Food Grade CAS 9000-59-3

Short Description:

Bleached shellac is a natural animal resin refined from crude shellac secreted by lac insects parasitizing host trees. It is processed through dissolving, filtration, chemical bleaching, acid precipitation, washing and drying. It appears as white or pale yellow granules, flakes or powder. It is odorless, easily soluble in ethanol and alkaline aqueous solution. It has excellent film-forming property, moisture resistance, antiseptic performance and high gloss, and is non-toxic and safe. Widely applied in food polishing and coating, pharmaceutical tablet enteric coating, cosmetics film-forming agent, high-grade wood coatings and ink additives. Compared with ordinary shellac, it features lighter color, fewer impurities and better stability, suitable for light-colored and high-end application scenarios.

Product Detail

Refined bleached shellac, made from natural shellac resin secreted by lac insects on host plants, is produced using advanced modern technology with de-waxing and dechlorination processes. It is a natural, non-toxic, eco-friendly product in fine light lemon-colored granules, featuring strong adhesion, good plasticity, excellent electrical insulation, tensile strength, wear resistance, and resistance to water, rust, oil, and acid. It is mainly used in fruit preservation, cosmetics, confectionery coating, as well as in military, electrical, and paint industries. Compared with similar products, it offers lower chlorine content, longer thermal life, extended storage stability, and no adverse effects on human health, in line with the current green and environmental protection trends.

Bleached Shellac Food Grade CAS 9000-59-3

Product Name:

Bleached Shellac

Other Name:

Shellac

Appearance:

Light Yellow Granules

Appliction:

Mainly used in fruit preservation, cosmetics, confectionery, and health product coatings.

Shelf Life:

24 Months 

Packing Details:

1kg/bag;20kgs/Box; as per customers' request

Storage:

Avoid high temperatures and direct sunlight. recommended to store at 0-10℃ for refrigeration.

Usage Instructions for Refined Bleached Shellac:

The best solvents for shellac are ethanol and its homologs. Shellac is also soluble in ketones and lower fatty acids such as formic acid, acetic acid, and aromatic amines, but insoluble in benzene, acetone, and similar solvents. However, it can dissolve in mixed solvents containing a small proportion of water; for example, adding 5–10% water to acetone makes it a good solvent for shellac.

To obtain a low-viscosity shellac solution, a dual-solvent method can be used, which produces a viscosity about half that of an ethanol-only solution. Examples include:

  • Methanol + Propanol (75:25)

  • Ethanol + Ethyl Acetate (60:40)

  • Methanol + Acetone (60:40)

In addition to the above methods, shellac can also be dissolved in inorganic alkalis such as sodium carbonate, borax, and ammonia solution

Bleached Shellac Food Grade CAS 9000-59-3

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Q4: How can I get a sample?

Samples are available, but the cost charges will be in your account. After the test, when you place an order (quantity of more than 25kg), the charges will be returned to you or deducted from your order.