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GB/T 34627-2017: Metallic and other inorganic coatings -- Definitions and conventions concerning appearance
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| GB/T 34627-2017 | English | 119 |
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Metallic and other inorganic coatings -- Definitions and conventions concerning appearance
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GB/T 34627-2017
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Basic data | Standard ID | GB/T 34627-2017 (GB/T34627-2017) | | Description (Translated English) | Metallic and other inorganic coatings -- Definitions and conventions concerning appearance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A29 | | Classification of International Standard | 25.220.20; 25.220.40 | | Word Count Estimation | 6,647 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-04-01 | | 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 | GB/T 34627-2017: Metallic and other inorganic coatings -- Definitions and conventions concerning appearance
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Metallic and other inorganic coatings - Definitions and conventions concerning appearance
ICS 25.220.20; 25.220.40
A29
National Standards of People's Republic of China
Metal and other inorganic coatings
The definition of appearance and usage
(ISO 16348.2003, IDT)
2017-09-29 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Preface Ⅰ
1 Scope 1
2 Terms and definitions 1
3 Principle 1
4 confirmed typical reference sample (representative reference sample designation) 1
5 test conditions 2
6 Test Report 2
Reference 3
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the translation method identical with ISO 16348.2003 "Definition of metal and other inorganic coatings appearance and usage."
This standard is proposed by the China Machinery Industry Federation.
This standard by the National Metal and Nonmetallic Coating Standardization Technical Committee (SAC/TC57) centralized.
This standard was drafted. Wuhan Institute of Materials Protection, COSCO rare earth New Materials Co., Ltd., Guangzhou City, VW Hardware Co., Ltd.
Division, Shenzhen Branch of a standard service center, Wuhan material security electroplating technology Productivity Promotion Center.
The main drafters of this standard.Jia Jianxin, Zhang Dezhong, Xu Guanglin, Chen Ying, Liu Jin, Zeng Shujun.
Metal and other inorganic coatings
The definition of appearance and usage
1 Scope
This standard describes the specified metal and inorganic coatings, the appearance and its related terms and effective appearance of the description of the principle.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1
Appearance appearance
Visibility characteristics of all major surfaces.
2.2
Consistency of appearance uniformityofappearance
In one lot or each lot, all the obvious features of the overlay are the same as the whole area of the main surface.
2.3
Blemish
Minor blemishes, or deviations from the specified reference appearance, without prejudice to the normal function of the product.
2.4
Visible defect visibledefect
Unacceptable physical imperfections or cracks on the cover affect the appearance of a given reference or reduce the functionality of the product.
3 principles
When specifying the technical requirements for overlay, especially when used as a reference sample, be sure to confirm the appearance of the test. product
The standard should provide relevant details.
Note 1. In order to ensure the durability of a given sample, special precautions may need to be taken, such as storing it in a desiccator or depending on the conditions of storage
Will be valid.
If the product standard does not provide a method, you can use the comparative sample method to determine the appearance and consistency. Passed will be coated with the specified model
Reference sample for comparison confirmation (see Chapter 4).
Measurement methods such as gloss meter, profiler, colorimeter and other suitable test methods can be used. These methods can provide product standards or purchase
Buying contract stipulated characteristics of the measurement method.
Note 2. It is not sufficient to describe one by appearance alone.
4 confirmed typical reference sample (representative reference sample designation)
In a certain production process may need to use more than one confirmed reference sample to characterize the change of parameters.
The sample manufacturing and coating technology should be the same as the purchase part in order to ensure that the purchased product is consistent and reproducible.
In order to avoid disputes, all parties concerned unanimously confirmed the various aspects of the reference sample. Confirmed reference samples should be kept by all parties in order to
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