GB/T 26296-2010 English PDF

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GB/T 26296-2010: Defects for anodic oxide coatings and organic polymer coatings on aluminum and its alloys
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26296-2010	669	Add to Cart	5 days	Defects for anodic oxide coatings and organic polymer coatings on aluminum and its alloys	Valid

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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

---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.
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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