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Shellac

Cas 9000-59-3

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Shellac Cas 9000-59-3

  • Product Name: Shellac、Lack
  • Cas No: 9000-59-3
  • Assay: 99%
  • Package: 25kg/Bag
  • Storage: In cool and dry place
  • Category: Organic intermediates
  • Type Of Transportation: By Air/ Sea/ Train/ Express
  • Sample: Available
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Chemical Properties Of Shellac

Shellac is a natural, renewable animal-derived resin. It is refined from the resinous substance secreted by lac insects and represents one of the earliest natural polymeric materials utilized by humans. The chemical properties of shellac are determined by the functional groups of its core component, lac resin acid. It combines the stability of polymeric compounds with the reactive activity of functional groups, exhibiting excellent film-forming properties, adhesive strength, corrosion resistance, and biocompatibility.

Product Description Of Shellac

Item Specification
Melting point 115-120°C
Density 1.035-1.140
Softening Point 70-80°C
Hardness 2-3 (Mohs scale)
Refractive index n₂₀/D 1.52-1.54
Odor Woody aroma
Dielectric constant 2.0 (Ambient)
Solubility Easily soluble in polar organic solvents such as ethanol, isopropanol, and acetone; insoluble in non-polar solvents like water, petroleum ether, and benzene.

Product Application Of Shellac

  1.  As a food-grade coating agent, Shellac Flake is used for surface coating of fruits (apples, citrus, pears), candy, chocolate, and tablet coating, as well as a binder and stabilizer in chewing gum and baked goods.
  2.  As a pharmaceutical coating material, Shellac Flake is used for film coating tablets and pills, as a plasticizer and stabilizer for capsule shells, and as a matrix component in excipient formulations for topical preparations.
  3.  As a film-forming agent and binder, Shellac Flake is used in products like nail polish, mascara, and eyebrow pencils. It also serves as an emulsion stabilizer and thickener in creams, lotions, and lipsticks.
  4.  Industrial Applications:
    – Used to prepare natural resin coatings (e.g., shellac varnish);
    – As a film-forming agent and binder in printing inks (e.g., gravure inks, flexographic inks).
    – Used in preparing natural polymer adhesives; also serves as encapsulation material for electronic components, offering excellent insulation and moisture resistance.
    – Employed in metal surface treatment (e.g., rust-proof coatings), leather tanning, and mold release agents.
  5.  Used as adhesives and coating agents in the restoration and preservation of ancient architecture, calligraphy, paintings, and cultural relics.
Packaging Method Of Shellac
Product packaging bags
Bagged product shipping diagram 1
Cardboard barrel
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Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.

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