ISO INTERNATIONAL STANDARD 2822-1 First edition 1998-11-01 Raw cattle hides and calf skins Part 1: Descriptions of defects Peaux brutes de bovidés - Partie 1: Descriptions des défauts ISO Reference number ISO 2822-1:1998(E) by IHS under lic mitted without license from IHS Not for Resale ISO 2822-1:1998(E) Foreword IsO (the International Organization for Standardization) is a worldwide federationofnationalstandardsbodies(lsOmemberbodies).Theworkof preparing International Standards is normally carried out through isO technical committees. Each member body interested in a subject for which a technical committee has been established 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. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard IsO 2822-1 was prepared by Technical Committee ISO/TC 120,Leather, Subcommittee SC 1, Raw hides and skins, including pickledpelts. ISO 2822 consists of the following parts, under the general title Raw cattle hides and calf skins: Part 1: Descriptions of defects Part 2: Guidelines for grading on the basis of mass and size Part 3: Guidelines for grading on the basis of defects @ISO1998 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 in writing from the publisher. International Organization for Standardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland ii Cropyriat lntenaional Organization or Standardizatin from IHS Not for Resale INTERNATIONAL STANDARD@ ISO ISO 2822-1:1998(E) Raw cattle hides and calf skins : Part 1: Descriptions of defects 1 Scope This part of IsO 2822 describes the defects which may occur on raw cattle hides and calf skins intended for tanning. It is applicable to fresh and cured raw cattle hides and calf skins, but not to casualty hides and skins. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this part of ISO2822.Atthetimeofpublication,theeditionindicatedwasvalid.Allstandardsaresubjecttorevision,and most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. IsO 2820:1974, Leather — Raw hides of cattle and horses — Methods of trim. 3 Terms relating to defects in raw cattle hides and calf skins The defects on raw cattle hides and skins referred to in this part of ISO 2822 are divided into three categories: a) ante-mortem defects; b) post-mortem defects; and c) preserving defects. 3.1 Causes and types of ante-mortem defects 3.1.1 Abscess Cutaneous abscesses, formed by the pyogenic organisms of different genera affecting either the grain or flesh side 3.1.2 Blind warble hole noactualperforation. Copyright Intern onal Organization for Standardization 1 Not for Resal