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GB/T 31729-2015: Test method for mass per unit area of plastic film
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31729-2015 | English | 129 |
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Test method for mass per unit area of plastic film
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GB/T 31729-2015
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Basic data | Standard ID | GB/T 31729-2015 (GB/T31729-2015) | | Description (Translated English) | Test method for mass per unit area of plastic film | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G33 | | Classification of International Standard | 83.140.10 | | Word Count Estimation | 6,656 | | Date of Issue | 2015-06-02 | | Date of Implementation | 2016-01-01 | | Quoted Standard | GB/T 2918-1998; GB/T 6673-2001 | | Regulation (derived from) | National Standard Announcement 2015 No.19 | | 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 test method for plastic film mass per unit area. This Standard applies to the determination of mass per unit area of ??the plastic film. This Standard specifies test methods can also be used to determine the mass per unit area of ??a sheet of plastic film and plastic microporous apparent mass per unit area. | GB/T 31729-2015: Test method for mass per unit area of plastic film---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.
Test method for mass per unit area of \u200b\u200bplastic film
ICS 83.140.10
G33
National Standards of People's Republic of China
Test methods for quality plastic films area unit
Issued on. 2015-06-02
2016-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China National Light Industry Council.
This standard by the National Plastics Standardization Technical Committee (SAC/TC48) centralized.
This standard is drafted by. Jiangsu Zhongda New Material Group Co., Ltd., Foshan Buddha Plastic Technology Group Co., Ltd., Shanghai
Tobacco (Group) Corporation, Beijing Technology and Business University.
The main drafters of this standard. Wangming Zhen, Shi Cheng Asia, Wang Yuan, Wu Qin phase, Liang Meiying, Li Tian Hua.
Test methods for quality plastic films area unit
1 Scope
This standard specifies the test method for plastic film mass per unit area.
This standard applies to the determination of mass per unit area of \u200b\u200bthe plastic film.
Test methods specified in this standard can also be used a sheet of plastic mass per unit area and apparent quality plastic microporous film per unit area
Determination.
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.
GB/T 2918-1998 plastic sample conditioning and testing of the standard environment
Determination of GB/T 6673-2001 plastic film and sheet length and width
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Mass per unit area massperunitarea
Predetermined size and quality of the surface area of \u200b\u200bthe plastic film ratio, expressed in grams per square meter (g/m2).
4 Test Instruments
Test equipment should include.
a) Analytical balance. Indexing is 0.1mg;
b) Steel ruler. indexing is 0.5mm;
c) the scale magnifier. 10x magnification, the mirror has a gauge, the index value is 0.1mm.
5 Sample
5.1 Sample Preparation
5.1.1 along the middle of the sample uniform sampling, sample preparation can be multi-stacked. Sample quality should be uniform, no impurities, particles, wrinkles and other effects test
Obvious defects result.
5.1.2 If necessary, before the multi-stacked in the same test specifications, with thickness not less than 2mm, an area larger than the area of \u200b\u200bthe sample to a stainless steel plate
Sample group to remove air pressure at least 1h.
5.2 shape and size
5.2.1 Sample generally square shape with dimensions of 100.0mm × 100.0mm, size deviation ± 0.2mm.
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