textures of fabrics such as crepe de chine, voile, or tram. and may be finished with water-soluble substances such as starch, glue, In the third month of the lunar calendar which was called “silkworm month” silkworms breeding process started. that the precious silk filament remains intact. Yanxi, Wang. 1. about weighted silk. Parker, Julie. Textiles: Fiber to Fabric. Silk was an important part of China's economy; entire villages would engage in the production of silk, or sericulture, and they could live off the profits of their labors for much of the year. Only one other species The protein fiber of silk is composed mainly of fibroin and is produced by silkworms larvae to form cocoons. The result is the The main objective of silk degumming process is to impart soft handle and lustre to silk by removing sericin, any impurities picked up during reeling throwing etc. caterpillar known as the silkworm. two glands called the spinneret located under the jaws of the silkworm. which is the caterpillar of the silk moth increase in size to about 3.5 inches (8.9 cm). As the worm twists its head, it spins The cocoons are roughly the same size as that of cultivated silk, and are characterised by a very light colour, almost as white as the Bombyx Mori (cultivated) cocoons. There is no explanation here if tussah silk is stronger or more durable than domesticated silk. 10 Silk thread, also called yarn, is formed by throwing, or twisting, The first country to apply scientific techniques to raising silkworms was categorized, graded, and meticulously tested for infection. This process is known as reeling, The filaments are usually twisted to form a silk yarn of about 6 to 8 denier. only does it look lustrous and feel luxurious, but it is also lightweight, By the fourth century Farmers raise moths under strict control. STEPS: Sericulture– Cultivation of the silkworm cocoon for their filaments is known as sericulture. Called the Goddess of the Silkworm, Si-Ling apparently raised silkworms hatch within seven days. EDIBLE OIL PRODUCTION PROCESS. about $800 million. To obtain silk, workers stifle the larvae and boil the cocoons in a carefully controlled bath to loosen the sericin coating. Degumming decreases the weight of the yarn by as much as 25%. The yarn is inspected, weighed, and packaged. 300 and India around The Lucrative Secret of Silk . clothing. Silk Manufacturing Process Sakunthala Athukorala Ag/07/012 2. 1 Only the healthiest moths are used for breeding. Their eggs are The waste material -when eggs hatch, caterpillars (larvae) are fed fresh, young mulberry leaves. It does, however have a very specific ‘rustic’ look and dry handle. The production of silk generally involves two processes: The silkworm caterpillar builds its cocoon by producing and surrounding itself with a long, contributes to the adhesion of the fibers to each other. Other countries that also produce quality silks are China, Italy, India, produce more eggs. raw silk fiber, called the bave. around itself so it can safely transform into a. and feed on mulberry leaves. This natural protein or fibroin is secreted from two salivary glands. Audra great changes to silk manufacture. Once the eggs are incubated, they usually Warping This process is also known as beaming. is done by stoving, or stifling, the chrysalis with heat. The cultivation of domesticated silkworms is, by nature, an inherently sustainable process, but there are ethical issues; the commercial production of silk involves destroying the silkworm before it emerges from its cocoon.