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Paints and varnishes -- Determination of scratch resistance -- Part 2: Variable-loading method
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Basic data
| Standard ID | GB/T 9279.2-2015 (GB/T9279.2-2015) |
| Description (Translated English) | Paints and varnishes -- Determination of scratch resistance -- Part 2: Variable-loading method |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | G50 |
| Classification of International Standard | 87.040 |
| Word Count Estimation | 10,145 |
| Date of Issue | 2015-07-03 |
| Date of Implementation | 2016-06-01 |
| Quoted Standard | ISO 1513; ISO 1514; ISO 2808; ISO 15528 |
| Adopted Standard | ISO 1518-2-2011, IDT |
| Regulation (derived from) | National Standard Announcement 2015 No.22 |
| 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 a load is applied on the steeple stylus through a continuous increase, with the needle spire determined topcoat single coat paint, varnish or related products or composite coatings abrasion resistance method. This test method has been demonstrated for comparing different coating scratch resistance is useful. This test method is relatively level is useful for there in terms of scratch resistance showed marked differences in a series of painted test panels is determined. The ISO 1518-1 standard and none of the provisions of the use of curved stylus, the method specified in IS0 12137 in. Choose between three methods will depend on the particular situation. |
GB/T 9279.2-2015: Paints and varnishes -- Determination of scratch resistance -- Part 2: Variable-loading method
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Paints and varnishes Determination of scratch resistance Part 2. Variable-loading method
ICS 87.040
G50
National Standards of People's Republic of China
Paints and varnishes - Determination of scratch resistance
Part 2. Load change law
Part 2. Variable-loadingmethod
(ISO 1518-2.2011, IDT)
Issued on. 2015-07-03
2016-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Principle 1
5 Apparatus 1
Sampling 6 3
7 3 test panels
8 Program 4
9 Expression of results 5
10 Precision 5
11 Test Report 5
Reference 6
Foreword
GB/T 9279 "Paints and varnishes - Determination of scratch resistance" is divided into two parts.
--- Part 1. Constant load method;
--- Part 2. load shift assay.
This section GB/T 9279 Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section uses the translation method identical with the international standard ISO 1518-2.2011 section "Paints and varnishes - Determination of scratch resistance of 2
Score. load shift assay. "
Consistency correspondence between this part of international documents and normative references of our files are as follows.
--- 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).
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Standardization Technical Committee and the pigment coating (SAC/TC5) centralized.
This section drafted by. CNOOC Changzhou Paint Chemical Research Institute Co., Ltd., Dongguan Yee Technology Co., Ltd., Guangzhou standard Geda
Laboratory instruments Products Co., Ltd., China Aviation Biam new materials technology Engineering Company Limited.
The main drafters of this section. Gu Hui Qi, Li Weirong, Wang Chongwu, CHEMISTRY.
Paints and varnishes - Determination of scratch resistance
Part 2. Load change law
1 Scope
This section GB/T 9279 provides for one kind of load applied by a continuous increase in the steeple of the stylus, with the needle spire determined color
Topcoat paint, varnish or related product single coating or composite coating system scratch resistance method.
This test method has been demonstrated for comparing different coating scratch resistance is useful. This test method for display in terms of scratch resistance
There are significant differences in paint test panel determined that the relative range level is useful.
This section and none of the provisions of ISO 1518-1 with curved stylus method, the method specified in the ISO 12137. In the three methods of
Choose between it will depend on the particular 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)
Paints and varnishes ISO 1514 standard test panels (Paintsandvarnishes-Standardpanelsfortesting)
ISO 2808 Paints and varnishes - Determination of film thickness (Paintsandvarnishes-Determinationoffilmthick-
ness)
ISO 15528 Paints, varnishes and raw materials for paints and varnishes - Sampling (Paints, varnishesandrawmaterialsfor
paintsandvarnishes-Sampling)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Scratch scratch
By contact with sharp objects formed through the coating surface cuts or scratches.
Principle 4
The test product or system to be applied in a uniform thickness having a uniform surface texture of the flat plate test. After drying/curing, automatic
Of the tester to promote under the steeple stylus test plate was measured scratch resistance, stylus is mounted in a vertical downward pressure way to test plate table
Surface. Continuous increase in the load until the coating test panel was scratched so far.
5 Instruments
5.1 Determination of scratch resistance of the instrument. a stylus scratches meter steeple.
...
