BS ISO BRITISH STANDARD 20202:2004 Carbonaceous materials usedinthe production of aluminium-Coldand tepid ramming pastes - Preparationof bakedtest piecesand determination of loss on baking Confirmed April 2008 res 71.100.10 BSi British Standards BS ISO 20202:2004 National foreword This British standard reproduces verbatim rs0 20202:2004 and implements it astheUKnationalstandard. The UK participation in its preparation was entrusted to Technical eommittee err/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 "rnternational standards eorrespondence rndex", 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 rsO title page, pages ii and ili, a blank page, pages 1 to 4, an inside back cover and a back cover. The Bsr copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication This British standard was published undertheauthority Amd. No. Date eomments ofthestandardsPolicyand strategy eommittee on 23December2004 @ Bsr 23 December 2004 ISBN 0 580 45152 6 BS ISO 20202:2004 INTERNATIONAL ISO STANDARD 20202 First edition 2004-07-15 Carbonaceousmaterialsusedinthe productionofaluminium - Coldand tepid ramming pastes - Preparation of bakedtestpieces and determinationof loss on baking Produits carbones utilises pourla production de I'aluminium-Pates de brasquage froides et tiedes - Preparation d'eprouvettes cuites et determination de la perte a la cuisson Reference number ISO 20202:2004(E) BS ISO 20202:2004 = BS IS0 20202:2004 Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through iSO 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. 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 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent ISO 20202 was prepared by Technical Committee ISO/TC 47, Chemistry, Subcommittee SC 7, Aluminium blank BS IS0 20202:2004 Carbonaceous materials usedintheproductionof aluminium: Cold and tepid ramming pastes - Preparation of baked test pieces and determination of loss on baking 1 Scope This International Standard describes a method of baking green test specimens made by compacting carbonaceous ramming pastes. It includes the baking procedure (heating rate and holding time) and the determination of the loss on baking (relative mass loss). Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited ap