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GB/T 22638.10-2016: Test methods for aluminium and aluminium alloy foils -- Part 10: Determination of mass per unit area (surface density) of coatings
Status: Valid GB/T 22638.10: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22638.10-2016 | English | 119 |
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Test methods for aluminium and aluminium alloy foils -- Part 10: Determination of mass per unit area (surface density) of coatings
| Valid |
GB/T 22638.10-2016
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| GB/T 22638.10-2008 | English | 219 |
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Test methods for aluminium and aluminium alloy foils -- Part 10: Determination of mass per unit area (surface density) of coatings
| Obsolete |
GB/T 22638.10-2008
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PDF similar to GB/T 22638.10-2016
Basic data | Standard ID | GB/T 22638.10-2016 (GB/T22638.10-2016) | | Description (Translated English) | Test methods for aluminium and aluminium alloy foils -- Part 10: Determination of mass per unit area (surface density) of coatings | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H20 | | Classification of International Standard | 77.040.01 | | Word Count Estimation | 6,615 | | Date of Issue | 2016-12-30 | | Date of Implementation | 2017-11-01 | | Older Standard (superseded by this standard) | GB/T 22638.10-2008 | | Regulation (derived from) | National Standard Notice No.27 of 2016 | | Issuing agency(ies) | General Administration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 22638.10-2016: Test methods for aluminium and aluminium alloy foils -- Part 10: Determination of mass per unit area (surface density) of coatings
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Test methods for aluminum and aluminum alloy foils - Part 10. Determination of mass per unit area (surface density) of coatings
ICS 77.040.01
H20
National Standards of People's Republic of China
Replacing GB/T 22638.10-2008
Aluminum foil test method
Part 10. determination of coating surface density
Part 10. Determination ofmassperunitarea (surfacedensity) ofcoatings
2016-12-30 release
2017-11-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China
China National Standardization Management Committee released
Foreword
GB/T 22638 "aluminum foil test method" is divided into 10 parts.
- Part 1. Determination of thickness;
- Part 2. Detection of pinholes;
- Part 3. Detection of adhesion;
- Part 4. Determination of surface wetting tension;
- Part 5. Detection of wettability;
- Part 6. Determination of DC resistance;
- Part 7. Determination of heat seal strength;
- Part 8. Determination of texture content;
- Part 9. Hydrophilic testing;
Part 10. Determination of the surface density of the coating.
This part is part 10 of GB/T 22638.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 22638.10-2008 "Aluminum foil test method Part 10. Determination of coating surface density". This part with
GB/T 22638.10-2008 compared to the main technical changes are as follows.
--- increase the normative reference documents;
--- the method of removing the maleic acid method;
- the removal of the maleic acid process and the required reagents and instruments;
--- modified muffle furnace temperature requirements;
--- modified the oven temperature fluctuations;
- a quantitative standard circular sample sampler with an area of 100cm2 was added; the sample area deviation was modified;
--- modified the sample requirements;
--- concentrated sulfuric acid method to remove the muffle furnace temperature range, oven temperature range;
--- high temperature baking method, remove the muffle furnace temperature range, oven temperature range.
This part is made by China Nonferrous Metals Industry Association.
This part is the national nonferrous Metals Standardization Technical Committee (SAC/TC243).
This part is responsible for drafting units. Yunnan Haoxin Aluminum Foil Co., Ltd., Shanghai Huxin Aluminum Foil Co., Ltd., Ruyuan Yao Autonomous County
Water Foil Limited.
This part participates in the drafting unit. Zhenjiang Dingsheng Aluminum Industry Co., Ltd., Guangzhou Huigu Chemical Co., Ltd., Xiamen Haishun Aluminum Foil Co., Ltd.
Division, Guizhou Aluminum Aluminum Co., Ltd., Jiangsu Daya Aluminum Co., Ltd., Kunshan Aluminum Co., Ltd., Northeast Light Alloy Co., Ltd., China
West Aluminum Company Limited.
The main drafters of this part. Gao Jun, Gong Xuan, He Huigang, Zhang Jianming, Shi Yuzhen, Li Yuefeng, Zhang Chunping, Yu Yong, Chen Zhiming,
Liu Guiyun, Zhang Jinsong, Tang Hairong, Zhou Yingchun.
This part of the previous version of the standard to replace the release of the situation.
--- GB/T 22638.10-2008.
Aluminum foil test method
Part 10. determination of coating surface density
1 Scope
This part of GB/T 22638 specifies the method for the determination of the surface density of aluminum foil coatings.
This part applies to the determination of the surface density of the coated aluminum foil coating.
The high temperature baking method specified in this section applies to the determination of the surface density of the coating.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170
3 Principle of the method
Place the known area and mass of the sample in the concentrated concentration of concentrated sulfuric acid (for organic coating), or into the muffle furnace at high temperature
(For organic coating, inorganic coating, mixed coating). After the coating is completely removed, the sample mass is weighed and the unit area of the sample is calculated
Mass loss, that is, coating surface density.
4 reagent
Concentrated sulfuric acid (ρ = 1.84 g/mL).
5 instruments and equipment
5.1 Analysis of the balance, the sense of 0.1mg.
5.2 muffle furnace, the temperature can be controlled at 550 ℃ ± 5 ℃.
5.3 oven, the temperature can be controlled at 100 ℃ ± 1 ℃.
5.4 beaker, 1000mL.
5.5 sampler, quantitative sample area of 0.01m2 quantitative standard sample sampler.
6 samples
Use a sampler (5.5) to draw a circular sample with an area of 0.01m2. The area deviation of the specimen should not be greater than ± 0.35cm2.
7 concentrated sulfuric acid method
7.1 Place the sample in an oven (5.3) at 100 ° C ± 1 ° C for 5 min and remove it with tweezers. Place in a dry dish and allow to cool.
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