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है”ह”ह

IS 15825-4 (2008): Dupion raw silk - Grading and methods oftest, Part 4: Conducting winding test [TXD 28: Silk andSilk Products]

, .1

IS 15825 (Part 4) : 2008

Indian Standard

DUPION RAW SILK- GRADINGANDMETHODS OFTESTPART 4 CONDUCTING WINDING TEST

ICS59.060.10

e BIS 2008

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

September 2008 Price Group I

Silk and Silk Products Sectional Committee, TXD 28

FORE\VORD

This Indian Standard (Part 4) was adopted by the Bureau of Indian Standards, after the draft finalized bythe Silk and Silk Products Sectionai Committee had been approved by the Textile Division Council.

Grading of dupion silk is wry important from the viewpoint of quality of the dupion silk and the subsequentproducts made from it. This will also help the farmers to get the right value of their product and removemalpractices in the dupion silk trade. For raw silk, B[S has already published IS 15090 (Parts I to II) 'Rawsilk -- Grading and methods of tests'.

This standard is published in five parts. The other parts in the series are:

Part IPart 2Part 3Part 5

GradingVisual examinationDetermination of special defectsDetermination of average size and size uniformity range

This standard prescribes a method of test to determine the number of times the dupion silk will break duringa certain period of winding it on the bobbins off the skeins and also the feasibility of the skeins for thew inding operation.

The composition of the Committee responsible for the formulation of this standard is given in Annex B.

For the purpose ofdeciding whether a particular requirement of this standard is complied with, the final value,observed or calculated expressing the result of a test or analysis. shall be rounded off in accordance with[52: 1960 'Rules for rounding off numerical values (revised)'. The number of significant places retained inthe rounded off value should be the same as that of the specified value in this standard.

IS 15825 (Part 4): 2008

Indian Standard

DUPION RAW SILK- GRADING AND METHODS OFTESTPART 4 CONDUCfING WINDING TEST

1 SCOPE

This standard (Part 4) prescribes a method of test todetermine the number of times the dupion silk willbreak dur ing a certain period of winding it on thebobbins off the skeins and also the feasibility of theskeins for the winding operation.

2 TEST SAMPLE

The sample for the test shall he 4 skeins drawn fromdifferent parts of the lot.

3 APPARATUS

3.1 Winding Frame - The wind ing frame shall beequipped to drive the bobbins to run at a uniformspeedofIIOm/min.

3.2 Stop Watch

4 PROCEDURE

After a preliminary winding operation of 5 min, twosample skeins shall be wound from the outs idesurface and 2 skeins from the inner surface of theskein at an average winding speed of II 0 m/min. Thetime ofwinding shall be 30 min for 8.8 tex (79 den) orfiner silk and 20 min for 8.9 tex (80 den) or coarsersilk.

5 RECORDS

5.1 A record ofthe number ofbreaks including stopswithout breakage for each skein and also the total ofthe four ske ins during the period of winding shall bemade.

5.2 The format for the report ofwinding breaks shallbe as given in Annex A.

ANNEXA(Clause 5.2)

REPORT OF WINDING TEST OF DUPION RAW SILK

lConducted in accordance with IS 15825 (Part 4)J

Name of test ing house: .

Identity ofthe lot: .

Starting time: ..

Ending time: ..

Total time : ..

Nominal size ofthe lot: ..

Skein No. Preliminary Winding Break During Counting Period

(I) (2) (3)I

I. I

2.

I3.4.

Total Breaks

Remarks:Date:

Signature of tester

: -66:! Dcpn, ut BISi100&

IS 15825 (Part 4) : 2008

ANNEXB(Foreword)

COMMITTEE COMPOSITION

Silk and Silk Products Sectional Committee, TXD 28

Organization

Central Silk Technologica l Research Institute , Bangalore

Association of Corporations & Apex Societies of Handlooms,New Delhi

Central Silk Board, Bangalore

Chamundi Textiles (Silk Mills) Limited, Bangalore

Directorate of Handlooms & Textiles, Government of Tamil Nadu,Chennai

Himatsingka Seide Limited, Bangalore

Indian Silk Export Promotion Council, Mumbai

Karnataka Silk Industries Corporation, Bangalore

Karnataka State Sericulture Development Institute, Bangalore

Khadi & Village Industries Commission, Mumbai

National Handloom Development Corporation Ltd, Lucknow

Office of Development Commissioner for Handlooms, Governmentof India, New Delhi

Office of Director of Handloom & Textiles, Government ofKarnataka, Bangalore

Office of the Textile Commissioner, Mumbai

Shriram Institute for Industrial Research, Delhi

Silk Conditioning and Testing House, Bangalore

The Tamil Nadu Handloom Weaver's Cooperative Society Ltd,Chennai

Weavers' Service Centre , Ministry of Textiles, Bangalore

BIS Directorate General

Repr esentottvets)

DR 1. H. SOMASHEKAR (Chairman)SHRI SUBRATO Roy (A lternate s

SHRI ABDUAL REHM AN

DEPUT Y SECRETARY (ISSPECTlON)ASSlSTAST SECRETARY (II'SPECTlOS) (Allernale)

SHRI A. L. Mt:THIAH

SHRI THIRlJ M. E. BALRAJ

SHRI MOHAN RAOSURJ S. A. ViSHVA~"ATH (A /ten ia ie )

SHRI 1. V. MARUTHI

SHRI RAJ KU\lAR

SHRI V. G. HALLlYALSHRI RAVINDRA BHANDIWAD (A/lernale)

REPRESENTATIVE

SHRI V. K. GOYALSHRI S. RA UTELA (Atternate)

PRINC IPAL, INDI.~S ISSTITUTE OF HANDLOOMTEC HNOLOG Y, SALEM

JOII'T DIRECTOR (TEXTILES)DEPUTY DIRECTOR (HANDLOOMS) (Alternate)

SHRI S. G. VERMASHRJ S. RAMAKRI SHSAN (Alternate)

Ms NE ENA SEHGALDR R. K. RA1SA tAlternates

REPRESESTATIVE

SHRI G. GUoiASEKARAJIiSHRI AWK BA8ElAY (Al ler nale)

DIRECTORDEPlJTY DIRECTOR (Alternate)

SHRI M. S. VER\lA, Scientist 'F' & Head (Textiles)[Representing Director General (Ex-officio)]

MGIPf-061 Dtpct of B1S/200l1-16.0921J08-)()() ll<>,ko.

Member SecretarySHill J. K. Gt:PTA

Scientist 'C' (Textiles), BIS

2

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This Indian Standard has been developed from Doc : No. TXD 28 (0825).

Amendments Issued Since Publication

Amendment No. Date of Issue

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Text Affected

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