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GB/T 20218-2021: Biaxially oriented polyamide (nylon) film
Status: Valid GB/T 20218: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20218-2021 | English | 259 |
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Biaxially oriented polyamide (nylon) film
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GB/T 20218-2021
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| GB/T 20218-2006 | English | 90 |
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Biaxially oriented polyamide (nylon) film
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PDF similar to GB/T 20218-2021
Basic data | Standard ID | GB/T 20218-2021 (GB/T20218-2021) | | Description (Translated English) | Biaxially oriented polyamide (nylon) film | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y28 | | Word Count Estimation | 14,189 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 20218-2021: Biaxially oriented polyamide (nylon) 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.
Biaxially oriented polyamide (nylon) film
ICS 83.140.10
Y28
National Standards of People's Republic of China
Replace GB/T 20218-2006
Biaxially oriented polyamide (nylon) film
[ISO 15987.2003,Plastics-Filmandsheeting-Biaxialy
Released on 2021-03-09
2021-09-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 20218-2006 "Biaxially oriented polyamide (nylon) film". This standard is consistent with GB/T 20218-2006
Compared with, the main technical content changes are as follows.
---The appearance is divided into the appearance of the film roll and the appearance of the film (see 3.1.1 and 3.1.2, 3.1 in the.2006 edition);
---Increase the limit deviation of film thickness greater than 0.015mm (see 3.2.2);
--- Modify the elongation at break to the nominal tensile strain (see Table 3, Table 2 of the.2006 edition);
--- Deleted the tear resistance index (see Table 2 in the.2006 edition);
---Modified the horizontal index of heat shrinkage (see Table 3, Table 2 of the.2006 edition);
---Increase the oxygen transmission index for the film thickness greater than 0.015mm (see Table 3);
---Modified the sanitary requirements (see 3.4, 3.4 in the.2006 edition);
---Modified the test method of tensile strength and tensile nominal strain (see 4.6,.2006 edition of 4.6).
This standard uses the redrafting method to modify and adopt ISO 15987.2003 "Plastic film and sheet biaxially oriented polyamide (nylon) thin film"
membrane".
Compared with ISO 15987.2003, this standard has many adjustments in structure. Appendix A lists this standard and ISO 15987.2003.
The chapter number comparison list.
Compared with ISO 15987.2003, this standard has technical differences, and the clauses involved in these differences have passed its blank position on the outside.
The vertical single line (|) is marked, and Appendix B gives a list of the corresponding technical differences and their reasons.
This standard has made the following editorial changes.
---Change the standard name to "Biaxially oriented polyamide (nylon) film".
This standard was proposed by the China National Light Industry Council.
This standard is under the jurisdiction of the National Standardization Technical Committee for Plastic Products (SAC/TC48).
Drafting organizations of this standard. Cangzhou Donghong Packaging Materials Co., Ltd., Foshan Fosu Technology Group Co., Ltd., Chongqing Mingzhu Plastics Co., Ltd.
Co., Ltd., Dalian Plastic Research Institute Co., Ltd., Huizhou Baobai Packing Co., Ltd., Jinan Languang Electromechanical Technology Co., Ltd.
The main drafters of this standard. Yue Jianjun, Gao Cheng, Peng Yongjie, Yao Lifang, Bi Hongzhi, Zhang Guangqiang, Zou Yanhong, Chen Xin, Yu Jiajia, Liu Siqiang,
Ji Guangchi, Bai Jinpo, Yu Wenjuan, Zhang Shujie.
The previous versions of the standard replaced by this standard are as follows.
---GB/T 20218-2006.
Biaxially oriented polyamide (nylon) film
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of biaxially oriented polyamide (nylon) film.
This standard applies to polycaprolactam (nylon 6) resin as the main raw material, and polyamide (nylon) made by the flat film method through biaxial stretching.
Film (hereinafter referred to as "film").
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 1038-2000 Test method for gas permeability of plastic films and sheets Differential pressure method (ISO 2556.1974.NEQ)
GB/T 1040.3-2006 Determination of tensile properties of plastics Part 3.Test conditions for films and sheets (ISO 527-
3.1995.IDT)
GB/T 2410-2008 Determination of light transmittance and haze of transparent plastics (ASTMD1003.2007, MOD)
GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1.Batch inspection sampling searched by acceptance quality limit (AQL)
Plan (ISO 2859-1.1999.IDT)
GB/T 2918 Standard environment for condition adjustment and testing of plastic specimens (GB/T 2918-2018, ISO 291-2008, MOD)
GB 4806.7 National Food Safety Standard Food Contact Plastic Materials and Products
GB/T 6672-2001 Plastic film and sheet thickness determination mechanical measurement method (ISO 4593.1993, IDT)
GB/T 6673-2001 Determination of the length and width of plastic films and sheets (ISO 4592.1992, IDT)
GB/T 10006-1988 Method for determination of friction coefficient of plastic film and sheet (ISO 8295.1986, IDT)
GB/T 12027-2004 Plastic film and sheet heating dimensional change rate test method (ISO 11501.1995, IDT)
GB/T 14216-2008 Determination of the wetting tension of plastic films and sheets (ISO 8296.2003, IDT)
3 requirements
3.1 Appearance
3.1.1 Appearance of film roll
The appearance of the film roll should meet the requirements of Table 1.
Table 1 Appearance of film roll
Item requirements
1 There should be no obvious wrinkles on the surface of the wrinkle film roll
2 violent tendons are not allowed
3 There must be no obvious difference in the color of the end face of the same roll of film
4 The film roll core must not have dents or gaps
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