GRADING OF TASAR RAW SILK YARN - DEVELOPMENT OF METHOD AND PROCEDURES.

Autor: Bhat, Prakash N., Ghosh, Jayanth, Malali, Kiran B., Padaki, Naveen, Mitra, Goutham, Chattopadyay, Debasis, Khan, Z. M. S., Nanjegowda, B.
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Zdroj: Plant Archives (09725210); 2022 Special Issue, p200-203, 4p
Abstrakt: This paper envisages the need of quality assessment for the purpose of quality improvement. If tasting the tasar yarn as per the test method used for mulberry raw silk yarn, it is found almost all falls in grade-less category which hinders the passage for improvement. As the physical and chemical property of tasar raw silk differs to that of mulberry raw silk, the method of test has to be modified suitably so that the tasar silk can be tested and graded in a better way. In the absence of testing and grading method to accommodate all the Tasar silk produced in the industry, the buyer and seller will not have any reference for improvement as well as for fair transaction. In the age of competitive market of apparel textiles, testing of different parameters of yarn to determine its quality and its grouping in different varieties has become very important for a particular end use. All the textile yarns are tested by one or more methods for its quality characteristics. In the present study effort has been made to evaluate different characteristics of tasar silk from different origin and use the results to develop a suitable classification table for the purpose of grading. The quality characteristics that are being used for quality evaluation are Size uniformity in terms of cv%, tenacity, elongation along with size of tasar silk. Cohesion character is considered for warp verity only. From the study suitable testing and grading method for Indian tasar silk yarn has been developed which has been adopted by BIS as national standard. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index