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  1. 4 days ago · It is made of shellac, a natural resin produced by the female lac insect native to the forests of India, mainly in Jharkhand and Bihar. The disc gained popularity with the rise of the gramophone around 1900 and became the dominant sound format in the first half of the twentieth century.

  2. 4 days ago · Lac is a viscous secretion derived from various lacca insect species, with Laccifer lacca being the most widely cultivated. When a stick with the eggs or the broodlac are prepared to hatch, the planting starts.

  3. 4 days ago · The shellac disc is a flat disc with a spiral groove used for music reproduction throughout the 20 th century. It is made of shellac, a natural resin produced by the female lac insect native to the forests of India, mainly in Jharkhand and Bihar. The disc gained popularity with the rise of the gramophone around 1900 and became the dominant ...

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  5. 4 days ago · Lac treated jute fabric has been used to reinforce the unsaturated polyester resin (USP). Flexural strength and inter-laminar shear strength (ILSS) of lac modified jute/USP biocomposite have been evaluated and then compared with sodium hydroxide treated jute as well as untreated jute based biocomposites.

    • L Ammayappan, Shekar Das, R Guruprasad, Deb Prasad Ray, Prasanta Kumar Ganguly
    • 2016
  6. 5 days ago · A resin secreted by lac bugs often adds shine to chocolate candies. 3. Carmine. Red food colouring is derived from cochineal insects and is sometimes used in coloured chocolates. 4. Whey. A milk protein by-product of cheese production, often found in cheaper chocolates. Case Study: The Cadbury

  7. 5 days ago · Shellac is another safe option that’s made from a natural resin secreted by the lac bug. You can also find FDA-approved food-grade finishes that are specially formulated for kitchen items like cutting boards and salad bowls. These finishes are designed to be non-toxic, odorless, and safe for direct food contact.

  8. 4 days ago · Resin and epoxy have become indispensable materials in various industries and crafts due to their versatility, durability, and aesthetic appeal. This comprehensive guide delves into the world of resins and epoxies, exploring their types, common uses, and applications.