ISO INTERNATIONAL STANDARD 10081-1 Second edition 2003-12-01 Classification of dense shaped refractory products Part 1: Alumina-silica Classification des produits réfractaires faconnés denses - Partie 1: Silice-alumine Reference number ISO 10081-1:2003(E) @ ISO 2003 No reproduction or networking permited without license from IHS Not for Resale ISO 10081-1:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the @ISO2003 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 either Iso at the address below or Iso's memberbody in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2003 - All rights reserved No reproduction or networking permitted without license from IHS Not for Resale ISO 10081-1:2003(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (iSOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISo technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeer non-governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the International International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 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. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 10081-1 was prepared by Technical Committee ISO/TC 33, Refractories. revisionoflSO1109:1975,Part2cancelsandreplaceslSO10081-1:1991,andPart3isnew. Iso 10081 consists of the following parts, under the general title Classification of dense shaped refractory products: Part 1: Alumina-silica Part 2: Basic products containing less than 7 % residual carbon Part 3: Basic products containing from 7 % to 50 % residual carbon CopyihtIntemational Organizatin far Standardizatin'ghts reserved ili Not fr Resale Copyriahtlntematina Organizatin r Standardizatin Nrroductioneworkingemitedwithout licenefrm Not for Resale ISO 10081-1:2003(E) INTERNATIONAL STANDARD Classification of dense shaped refractory products Part 1: Alumina-silica 1 Scope This part of Iso 10081 specifies the classification and designation of dense shaped refractory products of the alumina-silica series, with the following exceptions: a) products containing more than 5 % of any metallic oxide other than alumina, silica, iron oxide; b) products containing more than 1 % carbon, carbides, nitrides, oxynitrides or any associated materials. 2 Classification 2.1 Basis of classification Dense shaped refractory products of the alumina-silica series shall be classified according to the following five criteria: a) the type of product; b) the group determined by its alumina and/or silica contents; c) the principal raw material(s); d) the state of the raw material(s); e) the nature of the bond (including any post treatment). 2.2 Type of product The types of dense shaped refractory products of the alumina-silica series included in this classification are: a) high alumina (HA), b) fireclay (FC), c) low alumina fireclay (L