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Why are silk fibre called Filament …

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Why are silk fibre called Filament fibres
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Yogita Ingle 6 years, 9 months ago

As we know that silk is obtained from cocoon made by silkworm. Cocoon is made up of small filaments generally called as silk filament or silk fibre. Silk filament or fiber is a double strand of fibroin(a kind of protein), which is held together by a gummy substance called sericin or silk gum. The cocoon are put in a series of hot and cold immersions to soften the sericin and permitting the unwinding of the filament as one continuous thread. The process of unwinding the silk filaments from the cocoon and combining them together to make a thread of raw silk is called reeling. In this way silk filament is converted to silk thread and we can say that silk fibre is kind of filament fibre.

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