BS ISO BRITISH STANDARD 14427:2004 Carbonaceous materials used in the production of aluminium-Coldand tepid ramming pastes - Preparation ofunbaked test specimens and determination of apparent density after compaction Confirmed April 2008 BSi British Standards BS ISO 14427:2004 National foreword This British Standard reproduces verbatim IS0 14427:2004 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee CII/24, Raw materials for the aluminium industry, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BsI Catalogue under the section entitled "International Standards Correspondence Index", or by using the "Search' facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance witha British Standard does not ofitself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and ii, a blank page, pages 1 to 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication This British Standard was published under the authority Amd. No. Date Comments of the Standards Policy and Strategy Committee on 23December2004 @ BSI 23 December 2004 ISBN 0 580 45153 4 BS ISO 14427:2004 INTERNATIONAL ISO STANDARD 14427 First edition 2004-07-15 Carbonaceous materialsusedinthe productionofaluminium - Coldand tepid ramming pastes - Preparation of unbaked test specimens and determination of apparent density after compaction Produits carbones utilises pourla production de I'aluminium-Pates de brasquagefroidesettiedes-Preparationd'eprouvettesnoncuiteset determinationde ladensite apparenteapres compactage Reference number ISO 14427:2004(E) ii BS ISO 14427:2004 Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been 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. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/lECDirectives,Part2 The main task of technical committees is to prepare International Standards. 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. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent ISO 14427 was prepared by Technical Committee ISO/TC 47, Chemistry, Subcommittee SC 7, Aluminium oxide,cryolite,aluminiumfluoride,sodiumfluoride,carbonaceousproductsforthealuminiumindustry blank BS ISO 14427:2004 Carbonaceous materials used in the production of aluminium - Coldandtepidramming pastes-Preparationofunbakedtest specimens and determination of apparent density after compaction 1 Scope This International Standard describes the preparation of unbaked test specimens made by compacting compaction. Unbaked test specimens of ramming paste need to be prepared not only for