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GB/T 31591-2015 English PDF

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GB/T 31591-2015: Paints and varnishes -- Determination of mar resistance
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PDF similar to GB/T 31591-2015


Standard similar to GB/T 31591-2015

GB/T 31416   GB/T 31415   GB/T 31586.1   

Basic data

Standard ID GB/T 31591-2015 (GB/T31591-2015)
Description (Translated English) Paints and varnishes -- Determination of mar resistance
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G50
Classification of International Standard 87.040
Word Count Estimation 9,961
Date of Issue 2015-06-02
Date of Implementation 2015-11-01
Quoted Standard ISO 1513; ISO 1514; ISO 2808; ISO 15528
Adopted Standard ISO 12137-2011, IDT
Regulation (derived from) National Standard Announcement 2015 No.19
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Standard specifies the stroke with a curved (circular or circular) needle measuring single coat paint, varnish or related products, or composite coating scratch resistance surface coating method. This Standard uses the spire stylus method not specified, the method specified in the ISO 1518-1 and ISO 1518-2. Select these three methods will depend on the specific situation.

GB/T 31591-2015: Paints and varnishes -- Determination of mar resistance

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Paints and varnishes. Determination of mar resistance ICS 87.040 G50 National Standards of People's Republic of China Paints and varnishes - Determination of scratch resistance marresistance (ISO 12137.2011, IDT) Issued on. 2015-06-02 2015-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with ISO 12137.2011 "Paints and varnishes - Determination of scratch resistance." Correspondence between the consistency of the standards of international documents and normative references of the following documents. --- GB/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes - Sampling (ISO 15528.2000, IDT); --- GB/T 9271-2008 Paints and varnishes standard test panels (ISO 1514.2004, MOD); --- GB/T 13452.2-2008 Paints and varnishes - Determination of film thickness (ISO 2808.2007, IDT); --- GB/T 20777-2006 Paints and varnishes examination and preparation of samples (ISO 1513.1992, IDT). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee paint pigment (SAC/TC5) centralized. This standard was drafted. CNOOC Changzhou Paint Chemical Research Institute Co., Ltd., Guangzhou standard laboratory equipment Geda Products Co., Ltd., Zhejiang Jiang Yu Tong New Materials Co., Ltd., China Aviation Biam new materials technology Engineering Co., Ltd., Zhejiang Zhiqiang Paint Co., Ltd., Zhejiang St. Libang Paint Co., Ltd., Dongguan City, Tai Hing Chemical Co., Ltd. The main drafters of this standard. Jiang Yun, Wang Chongwu, Liang Fang new, business Han-chang, Lu Zhiqiang, Xu Xian, Zhou Xiaofeng. Paints and varnishes - Determination of scratch resistance

1 Scope

This standard specifies the determination of a single stylus coating paint, varnish or related products with a curved (circular or circular), or composite coating topcoat Scratch resistance layer method. This method has proven to compare scratch resistance of the coating it is effective, for display in terms of scratch resistance of a significant difference Series painted test panels determines the relative level is very useful. This standard uses the spire stylus method not specified, the method specified in ISO 1518-1 and ISO 1518-2 in. These three methods of Choice will depend on the specific situation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. ISO 1513 inspection and preparation of samples for paints and varnishes (Paintsandvarnishes-Examinationandpreparation oftestsamples) ISO 1514 Paints and varnishes test the standard model (Paintsandvarnishes-Standardpanelsfortesting) ISO 2808 Paints and varnishes - Determination of film thickness (Paintsandvarnishes-Determinationoffilmthick- ness) ISO 15528 Paints, varnishes and paints and varnishes - Raw material sampling (Paints, varnishesandraw materialsfor paintsandvarnishes-Sampling)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Abrasions (noun) mar (n) Present in the surface coating, and to extend around a certain area on the coating, because the light reflectance properties of adjacent regions may be different for an eye Identified defects. Principle 4 The test product or system to be applied in a uniform thickness having a uniform surface texture smooth test panel. Dried/cured, by stimulating Arcuate (circular or annular) test panels under the stylus to determine scratch resistance stylus is mounted under the pressure of 45 ° to the surface of the test plate, continuous increase In load until the coating test panel is scratched so far.

5 Equipment

5.1 scratch resistance tester A suitable test apparatus, as shown in Figure 1. Mainly by the balance beam with pan feature composition, able to put weight on the pan so that the load is applied to the stylus

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