GB/T 45456-2025 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 45456-2025 | English | 215 |
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Packaging - Determination of crease stiffness for folding cartons
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GB/T 45456-2025: Packaging - Determination of crease stiffness for folding cartons---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45456-2025
GB
NATIONAL STANDARD OF THE
PEOPLE'S REPUBLIC OF CHINA
ICS 55.040
CCS A 83
Packaging - Determination of crease stiffness for folding
cartons
Issued on: MARCH 28, 2025
Implemented on: MARCH 28, 2025
Issued by. State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 5
4 Principle... 6
5 Instruments... 6
6 Specimen preparation... 7
7 Test steps... 8
8 Calculation and result presentation... 8
9 Precision... 9
10 Test report... 9
References... 10
Foreword
This document was drafted in accordance with the provisions of GB/T 1.1-2020
Directives for standardization - Part 1.Rules for the structure and drafting of
standardizing documents.
Please note that some of the contents of this document may involve patents. The issuing
organization of this document does not assume the responsibility for identifying patents.
This document was proposed by and is under the jurisdiction of the National Technical
Committee on Packaging of Standardization Administration of China (SAC/TC49).
Drafting organizations of this document. Tianjin University of Science and Technology,
MYS Group Co., Ltd., Ningxia Herui and Swiss Packaging Co., Ltd., Huayuan New
Materials Stock Co., Ltd., Zhejiang Great Shengda Packaging Co., Ltd., Gansu Tobacco
Industrial Co., Ltd., Guizhou Guotai Digital-Intelligence Liquor Group Co., Ltd.,
Suzhou Tongli Printing Co., Ltd., Guangdong Zhuangli Color Printing Co., Ltd.,
Ma'anshan Huiyuan Printing and Packaging Technology Co., Ltd., Tianjin A&R
Intelligent Packaging Technology Co., Ltd., Zhengzhou Tianbao Packaging and
Decoration Industrial Co., Ltd., Wenzhou Fujie Polytron Technologies Co., Ltd.,
Nanning Juncheng Packing Co., Ltd., Hangzhou Pinxiang Technology Co., Ltd.,
Dongguan Qinda Equipment Co., Ltd., Tianjin Zhongrong Intelligent Packaging Co.,
Ltd., China Packaging Research and Test Center, Hangzhou Quality and Metrology
Science Research Institute, Huizhou Degang Machinery Co., Ltd., Tengzhou Dasheng
Packaging Products Co., Ltd., Henan Jinmangguo Printing Co., Ltd., Henan Yuhong
New Environmental Protection Packaging Co., Ltd., Ningbo Changya Newmaterial
Technology Co., Ltd., Wuhan Yincaitian Paper Co., Ltd., Dezhou Chunxiang Packaging
Products Co., Ltd., Shenzhen Baixinglong Creative Packaging Co., Ltd., Shandong
Xinlin Paper Products Co., Ltd., Dalian Jianfeng Printing Co., Ltd., Sichuan Yibin
Wuliangye Jingmei Printing Business Co., Ltd., Jinan Quanhua Packing Products Co.,
Ltd., Zhejiang Xinya Packaging Co., Ltd., Guizhou Renhuai Shenren Packaging
Printing Co., Ltd., Zhejiang Yixing Packaging Technology Co., Ltd., Hubei Hejia
Packaging Technology Co., Ltd., Dongguan KWG Colour Printing Co., Ltd., Yunnan
Qiaotong Package Printing Co., Ltd., Hubei Huagong Image Technology Development
Co., Ltd., Yamagata Printing (Wuxi) Co., Ltd., Shaanxi Yanyin Packaging Technology
Co., Ltd., Guangdong Taijin Intelligent Packaging Co., Ltd., Jiangsu Jinjia New
Packaging Material Co., Ltd., Guangdong Runheng Technology Co., Ltd., Shaanxi
Jinye Printing Co., Ltd., Jiuguochun Wuhan Packaging Technology Co., Ltd.,
Hangzhou Pintoo Electronic Technology Co., Ltd., Zhejiang Dahong Packaging
Technology Co., Ltd., Senkoo (Shanghai) Brand Planning Co., Ltd., Jiangsu
Zhonglisheng Packaging Technology Co., Ltd.
Main drafters of this document. Wang Yufeng, Liu Huifeng, Guan Damin, Song Haiyan,
Huang Xuankai, Sun Junjun, Xie Siqi, Li Lanhui, Li Xue, Fan Yu, Zhang Jiandong, Liu
Packaging - Determination of crease stiffness for folding
cartons
1 Scope
This document describes the method for determining the crease stiffness for folding
cartons.
This document is applicable to the design, production and inspection of folding cartons.
It can be used as a reference for other folding paper packaging products.
2 Normative references
The provisions of the following documents constitute the essential clauses of this
document through normative references in this text. Among them, for referenced
documents with dates, only the versions corresponding to the dates are applicable to
this document; for referenced documents without dates, the latest versions (including
all amendments) are applicable to this document.
GB/T 450 Paper and board - Sampling for testing and identification of machine and
cross direction, wire side and felt side
GB/T 10739 Paper, board and pulps - Standard atmosphere for conditioning and
testing
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 folding carton
The cardboard is die-cut, creased, and bonded to be folded into sheets, and can be
formed into a cardboard box when used.
[Source. GB/T 34053.6-2017, 3.1, modified].
3.2 crease stiffness
The ability to resist bending and deformation, which is generated by bending the
cardboard at a certain angle along the crease line toward the forming direction.
5.2 Crease stiffness tester
5.2.1 Chuck
The width is not less than 38 mm, the depth is (22.0±0.2) mm, and it can be adjusted in
the direction perpendicular to the plane of the specimen. In the initial position, the chuck
fixes the specimen in the vertical plane, and the chuck shall be able to rotate (90.0±0.5)°
around the rotation axis (crease line).
5.2.2 Force measuring knife edge
The length of the force-measuring knife edge shall not be less than 39 mm and shall be
parallel to the rotation axis of the chuck and (10.0±0.1) mm away from the rotation axis.
5.2.3 Force measuring device
The accuracy of the force sensor is ±1%.
6 Specimen preparation
6.1 Sampling
When the test is used to evaluate a batch of samples, sampling shall be carried out in
accordance with the provisions of GB/T 450.When the test is used to evaluate other
types of samples, the samples taken shall be representative.
6.2 Temperature and humidity treatment and test environment
The specimens shall be subjected to temperature and humidity treatment under the
environmental conditions specified in GB/T 10739, and the specimen preparation and
testing shall be carried out under these conditions.
6.3 Sample cutting
Cut the specimens with a sampler, the dimensions are shown in Figure 2.The width of
the specimen is (38.0±0.2) mm, the length is not less than 36.0 mm, and the distance
from the center of the crease line to a cutting edge is (25.0±0.2) mm. Cut at least 10
specimens in each direction to be tested. The specimens shall be free of damage and
have straight and smooth edges. The specimens shall not be bent before testing.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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