B I S F A THE INTERNATIONAL BUREAU FOR THE STANDARDISATION OF MAN-MADE FIBRES

Transcription

1 B I S F A THE INTERNATIONAL BUREAU FOR THE STANDARDISATION OF MAN-MADE FIBRES Testing methods for viscose, cupro, acetate, triacetate and lyocell filament yarns 2007 Edition (This edition replaces the 1997 edition)

2 SCOPE These methods apply to: Viscose, cupro, acetate, triacetate and lyocell filament yarns such as: These methods do not include yarns on beams. Appendix I sets out the definitions of viscose, cupro, acetate, triacetate and lyocell to which these methods apply. Copyright All rights reserved. Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission from the publisher BIFSA Avenue E.Van Nieuwenhuyse, 6 B 1160 Brussels BELGIUM Cellulosic Filament Yarns 2

3 CONTENTS SCOPE... 2 CONTENTS... 3 INTRODUCTION... 6 PREFACE... 7 Chapter 1 GENERAL RULES FOR THE SETTLING OF DISPUTES... 8 Chapter 2 DEFINITIONS Chapter 3 SAMPLING GENERAL REMARKS TAKING THE CONSIGNMENT SAMPLE AND THE NUMBER OF CONTAINERS TO BE SAMPLED TAKING THE LABORATORY SAMPLES FOR DETERMINATION OF COMMERCIAL MASS TAKING LABORATORY SAMPLES FOR THE DETERMINATION OF PROPERTIES OTHER THAN COMMERCIAL MASS SAMPLING AND DETERMINATION OF COMMERCIAL MASS OF TYRE CORD FABRICS SAMPLING FOR DETERMINATIONS OTHER THAN COMMERCIAL MASS Chapter 4 DETERMINATION OF COMMERCIAL MASS SCOPE PRINCIPLE APPARATUS, MATERIALS AND REAGENTS TEST PROCEDURE CALCULATION OF RESULTS AND STATISTICAL EVALUATION DETERMINATION OF THE COMMERCIAL MASS OF TYRE CORD FABRICS VERIFICATION OF INVOICE MASS PRESENTATION OF RESULTS EXAMPLE OF VERIFICATION OF INVOICED MASS Chapter 5 DETERMINATION OF TWIST Scope PRINCIPLE APPARATUS TEST PROCEDURE DATA TO BE COLLECTED CALCULATION OF PROPERTIES AND STATISTICAL EVALUATION DESIGNATION OF YARNS PRESENTATION OF RESULTS TOLERANCE Cellulosic Filament Yarns

4 Chapter 6 DETERMINATION OF LINEAR DENSITY SCOPE PRINCIPLE APPARATUS TEST PROCEDURE TESTING THE LINEAR DENSITY OF DIPPED YARNS AND CORDS FROM PACKAGES TESTING LINEAR DENSITY OF CORDS FROM TYRE CORD FABRICS CALCULATION OF PROPERTIES AND STATISTICAL EVALUATION PRESENTATION OF RESULTS PRECISION AND BIAS TOLERANCE Chapter 7 DETERMINATION OF TENSILE PROPERTIES SCOPE PRINCIPLE APPARATUS PREPARATION OF LABORATORY SAMPLE TEST PROCEDURE CALCULATION OF PROPERTIES AND STATISTICAL EVALUATION PRESENTATION OF RESULTS PRECISION AND BIAS TOLERANCE Chapter 8 DETERMINATION OF DIP PICK UP SCOPE PRINCIPLE APPARATUS TEST PROCEDURE CALCULATION OF PROPERTIES AND STATISTICAL EVALUATION PRESENTATION OF RESULTS TOLERANCE Chapter 9 DETERMINATION OF BOILING WATER SHRINKAGE SCOPE PRINCIPLE APPARATUS TEST PROCEDURE CALCULATION OF PROPERTIES AND STATISTICAL EVALUATION PRESENTATION OF RESULTS TOLERANCE DETERMINATION OF SHRINKAGE IN COLD WATER (SCW) Cellulosic Filament Yarns 4

5 Chapter 10 MEASUREMENT OF FIBRILLATION USING BREAKING TIME Scope Principle Apparatus Test procedure Data to be collected Calculation of properties Chapter 11 THE STATISTICS: TERMINOLOGY AND CALCULATIONS DEFINITIONS BASIC STATISTICS STATISTICAL PROCESS CONTROL (SPC) APPENDIX I Cellulosic Filament Yarns