Lac, a well known commercial resin is the hardened secretion of a tiny insect kerria lacca. The resin is commercially available as sticklac (rawlac) seedlac and shellac. Stick lac is the scrapped encrustations from the host tree. Crushed and washed sticklac is known as seedlac while shellac is generally obtained by removing the impurities of sheedlac by hot filtration process.
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