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描写春天的对联Reference number ISO 1513:2010(E)© ISO 2010
INTERNATIONAL STANDARD ISO 1513Fourth edition 2010-05-01Paints and varnishes — Examination and preparation of test samples Peintures et vernis — Examen et préparation des échantillons pour essai Copyright International Organization for Standardization --`,,,`,`,,,`,`,````,,,`,``,,,,,-`-`,,`,,`,`,,`---
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ISO 1513:2010(E) © ISO 2010 – All rights rerved iii 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 reprented on that committee. Interna
tional organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates cloly 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 1513 was prepared by Technical Committee ISO/TC 35, Paints and varnishes , Subcommittee SC 9, General test methods for paints and varnishes .
This fourth edition cancels and replaces the third edition (ISO 1513:1992), which has been technicall
y revid. It also incorporates the Technical Corrigendum ISO 1513:1992/Cor.1:1994. The main technical changes are: a) the title has been changed to “Examination and preparation of test samples”;
b) the normative references have been updated;
c) a definitions clau with definitions of thixotropy and homogenization has been added;财务管理是什么
d) the examination and mixing procedures for liquid and paste-like products have been combined into a
single clau (Clau 5);
e) the type of sieve to be ud for straining the sample is no longer specified.
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INTERNATIONAL STANDARD ISO 1513:2010(E)
聊天哄女孩子开心100句© ISO 2010 – All rights rerved 1Paints and varnishes — Examination and preparation of test samples
1 Scope
This International Standard specifies both the procedure for preliminary examination of a single sample, as received for testing, and the procedure for preparing a test sample by blending and reduction of a ries of samples reprentative of a consignment or bulk of paint, varnish or related product.
NOTE The samples of the product to be tested are assumed to conform to ISO 15528.
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 4618, Paints and varnishes — Terms and definitions
ISO 15528, Paints, varnishes and raw materials for paints and varnishes — Sampling
3 Terms and definitions
For the purpos of this document, the terms and definitions given in ISO 4618 and the following apply.
3.1
thixotropy
decrea in the apparent viscosity of a liquid under shear stress followed by a gradual recovery when the stress is removed
NOTE The effect is time-dependent.天安门绘画图片
3.2
homogenization
process of combining components, particles or layers of the original samples (in the ca of composi
te samples) or of pre-treated fractions of samples into a more homogeneous state in order to ensure equal distribution of the substances in, and properties of, the sample
4 Sample container
4.1 Condition of container
Record any defects in the sample container and any visible leakage. If it is possible that the contents have been affected, the sample shall be rejected.
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