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GB/T 26296-2010: Defects for anodic oxide coatings and organic polymer coatings on aluminum and its alloys
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Defects for anodic oxide coatings and organic polymer coatings on aluminum and its alloys
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GB/T 26296-2010
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Basic data | Standard ID | GB/T 26296-2010 (GB/T26296-2010) | | Description (Translated English) | Defects for anodic oxide coatings and organic polymer coatings on aluminum and its alloys | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H60 | | Classification of International Standard | 77.150.10 | | Word Count Estimation | 29,222 | | Date of Issue | 2011-01-14 | | Date of Implementation | 2011-11-01 | | Regulation (derived from) | National Standard Approval Announcement 2011 No.63 | | 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 aluminum and aluminum anodic oxide film, defined anodic oxide film and organic polymer coating film defects, characteristics, analyzes the main causes. This standard applies to aluminum and aluminum anodic oxide film, analysis of anodic oxide film and organic polymer coating film defects and determination. | GB/T 26296-2010: Defects for anodic oxide coatings and organic polymer coatings on aluminum and its alloys
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Defects for anodic oxide coatings and organic polymer coatings on aluminum and its alloys
ICS 77.150.10
H60
National Standards of People's Republic of China
Aluminum and aluminum alloy and anodized film
Organic polymer coating defects
Issued on. 2011-01-14
2011-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is based on GB/T 1.1-2009 provisions for the preparation of the draft rules.
The standard proposed by China Nonferrous Metals Industry Association.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
Drafting of this standard. National Quality Inspection Center nonferrous metals, Fujian Nanping Aluminum Co., Ltd., Guangdong Jianmei Aluminum Factory Co.
the company.
Participated in the drafting of this standard. Suzhou ropes of the Alcoa Co., Ltd. Foshan Hua Hao Aluminum Co., Ltd., Guangdong phoenix aluminum aluminum
Co., Ltd., Guangdong Xingfa Aluminium Co., Ltd, Guangdong Haomei Aluminum Co., Ltd., Shandong Nanshan Aluminum Co., Ltd., Guangdong Foshan new
Aluminum Company Limited.
The main drafters of this standard. Zhuzu Fang, Feng Dongsheng, JI Hong, Dai Yue Xing, He Yaozu, blue Ahn, Chen Hui, Zhou Chunrong, Panwei Qian, Yan Ting column,
Yu Quan and.
Aluminum and aluminum alloy and anodized film
Organic polymer coating defects
1 Scope
This standard specifies the anodized aluminum and aluminum alloy film composite membrane defined anodic oxide and an organic polymer coating film defects, features, points
Analysis of its main causes.
This standard applies to anodized aluminum and aluminum alloy film analysis and determination anodic oxide film and the organic polymer composite coating film defects.
2 Definition of Defects, features and main causes
2.1 pre-processing defect
2.1.1
Skim bad unevendegreasing
After etching the aluminum surface due to the inequality degreased incomplete generated exhibit different surface gloss, colored anodized aluminum that
Surface color is uneven or the presence of pigmentation (Figure 1).
The main causes.
a) degreasing tank temperature is too low;
b) degreasing bath insufficient active ingredient;
c) soaking time is too short.
1 bad degreasing
2.1.2
Alkaline etching insufficient insufficientetching
Aluminum in alkaline etching step, due to insufficient etching, so that the effect of the elimination of surface defects failed to meet expectations phenomena (such as
figure 2).
The main causes.
a) Base tank temperature is too low;
b) alkaline etching time is too short;
c) an alkali concentration is too low;
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