5086 NTERNATIONAL STANDARD (so) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MEXKIYHAPOHA OPTAHW3ALIM HIO CTAHIAPTI3AIIN.ORGANISATION INTERNATIONALE DE NORMALISATION Hand-knotted carpets - Sampling and selection of areas of test Tapis-moquettes a points noues a la main - Echantilonnage et choix des zones d'essai First edition - 1977-02-15 5086-1977 (E) Ref. No. ISO 5086-1977 (E) UDC 645.12 : 620.113 Descriptors : pile carpets, hand-made products, tests, test specimens, test specimen conditioning. ISO Pricebased on 2pages FOREWORD IsO (the International Organization for Standardization) is a worldwide federation of national standards institutes (isO member bodies). The work of developing International Standards is carried out through isO technical committees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with isO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. International Standard Is0 5086 was developed byTechnical Committee ISO/TC 38, Textiles, and was circulated to the member bodies in December 1975. It has been approved by the member bodies of the following countries : Germany Norway Austria Belgium Hungary Poland Brazil India Romania Bulgaria Iran Spain Czechoslovakia Israel Sweden Denmark Mexico Turkey France New Zealand Yugoslavia The member body of the following country expressed disapproval of the document on technical grounds : United Kingdom @ International Organization for Standardization, 1977 Printed in Switzerland Copyright International Organization for Standardization rovided by Not for Resale rithout licer INTERNATIONAL STANDARD ISO 5086-1977 (E) Hand-knotted carpets -- Sampling and selection of areas of test 1 SCOPE AND FIELD OF APPLICATION 2.2.3Remove adequate quantities of yarn from the carpet backing by a suitable hook from the locations specified This International Standard specifies the method of as follows : sampling and defines the areas of test for the physical testing and chemical analysis of hand-knotted carpets. It is applicable to most carpets in which the knots are tied 2.2.4 Areas of test by finger or by hook. 2.2.4.1 FoR caRpets OF suRFace aRea Less 2 SAMPLING THAN OR EQUALTO6m2 Take a measurement in at least each of the four zones of 2.1 Colour-fastness testing the carpet divided by the diagonals, as shown in figure 1, and in the area of intersection of the diagonals, giving a 2.1.1 Test each carpet separately. minimum of five measurements in all. 2.1.2 Remove an adequate quantity of yarn of each colour used in the manufacture of the carpet from the carpet 2.2.4.2 FoR CARPETS OF SURFACE AREA BETWEEN backing by means of a suitable hook. 6AND14m2 Divide the area of the carpet into 12 equal rectangles, as 2.1.3 Take yarns from different parts of the carpet so as shown in figure 2, and take a measurement in at least each to make the sample as representative as possible. of the numbered zones in figure 2, giving a minimum of six measurements in all. 2.1.4 Remove no more than one knot from any one place to minimize damage to the carpet. 2.2.4.3 FOR CARPeTS OF SURFAcE AREA GREATeER 2.2 Other tests THAN 14m2 2.2.1 Test each carpet separately. Divide the area of the carpet into 20 equal rectangles, as shown in figure 3, and take a measurement in at least 2.2.2 Remove no more than one knot from any one place each of the numbered zones in figure 3, giving a minimum to minimize damage to the carpet. of nine measurements in all. Copyright International Organization for Standardization 1 Not for Resale sefromIHS