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ISO INTERNATIONAL STANDARD. Paints and varnishes Drying tests Part 1: Determination of through-dry state and through-dry time - PDF Free Download
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1 INTERNATIONAL STANDARD ISO First edition Paints and varnishes Drying tests Part 1: Determination of through-dry state and through-dry time Peintures et vernis Essais de séchage Partie 1: Détermination du séchage à cœur et du temps de séchage à cœur Reference number ISO :2009(E) ISO 2009
3 Contents Page Foreword... iv 1 Scope Normative references Terms, definitions and abbreviated terms Principle Apparatus and materials Sampling Test panels Substrate Preparation and coating Procedure Preparation of apparatus Drying the test panel Determination of through-dry state Determination of through-dry time Thickness of coating Precision Test report... 6 Bibliography... 7 ISO 2009 All rights reserved iii
4 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 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. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. 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 rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 9, General test methods for paints and varnishes, in collaboration with CEN/TC 139, Paints and varnishes. It cancels and replaces ISO 9117:1990, which has been technically revised. The main changes are: a) failure is defined in terms of damage, rather than damage or marking; b) the former Annex A concerning required supplementary information has been integrated in the test report. ISO 9117 consists of the following parts, under the general title Paints and varnishes Drying tests: Part 1: Determination of through-dry state and through-dry time Part 2: Pressure test for stackability 1) Part 3: Surface-drying test using ballotini 2) 1) To be published. (Revision of ISO 4622:1992) 2) To be published. (Revision of ISO 1517:1973) iv ISO 2009 All rights reserved
5 INTERNATIONAL STANDARD ISO :2009(E) Paints and varnishes Drying tests Part 1: Determination of through-dry state and through-dry time 1 Scope This part of ISO 9117 specifies a test method for determining under standard conditions whether a single coat or a multi-coat system of paint, varnish or related material has reached the through-dry state after a specified drying period. NOTE The test procedure may also be used to determine the time taken to achieve that state. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 48, Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD) ISO 1513, Paints and varnishes Preparation of test samples ISO 1514, Paints and varnishes Standard panels for testing ISO 2808, Paints and varnishes Determination of film thickness ISO 15528, Paints, varnishes and raw materials for paints and varnishes Sampling 3 Terms, definitions and abbreviated terms For the purposes of this document, the following terms, definitions and abbreviated terms apply. 3.1 IRHD scale international rubber hardness degree scale 3.2 through-dry state condition of a film in which it is dry throughout its thickness NOTE 1 The through-dry state should not be confused with the condition in which the surface of the film is dry but the bulk of the coating is still mobile. ISO 2009 All rights reserved 1