GB/T 14745-2017 English PDF

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GB/T 14745-2017: Test method of creep properties for package cushioning material
Status: Valid

GB/T 14745: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14745-2017	119	Add to Cart	3 days	Test method of creep properties for package cushioning material	Valid
GB/T 14745-1993	199	Add to Cart	2 days	Packaging. Cushioning materials. Test method for creep properties	Obsolete

Similar standards

GB/T 4857.23   GB/T 4879   GB/T 4857.2   GB/T 45702   GB/T 45456   

Basic data

Standard ID: GB/T 14745-2017 (GB/T14745-2017)
Description (Translated English): Test method of creep properties for package cushioning material
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A83
Classification of International Standard: 55.020
Word Count Estimation: 6,686
Date of Issue: 2017-09-29
Date of Implementation: 2018-04-01
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 14745-2017: Test method of creep properties for package cushioning material

---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 of creep properties for package cushioning material ICS 55.020 A83 National Standards of People's Republic of China Replacing GB/T 14745-1993 Test methods for creep characteristics of cushioning materials for packaging 2017-09-29 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 14745-1993 "packaging cushioning material creep characteristics test method", and GB/T 14745-1993 phase Than the main technical changes are as follows. --- Modify the standard name; --- Modify the scope of the statement (see Chapter 1,.1993 edition Chapter 1); --- Added "creep" "time - creep curve" terms and definitions (see 3.1, 3.2); --- Modify the test principle statement (see Chapter 4,.1993 edition Chapter 4); --- Modify the requirements of the test equipment (see Chapter 5, Chapter 5 of the.1993 edition); --- Modify the sample size and number (see Chapter 6,.1993 edition of 6.2, 6.3); --- Modify the test method for sample size (see 8.1, 8.2, 8.3,.1993 edition 7.2.1, 7.2.2, 7.2.3); --- Modify the sample pretreatment and test conditions (see 7.1, 7.2,.1993 version 7.1); --- Increasing the weight of the mass formula (see 9.1); --- Removed the original A method of test step 7.4.1.3 (see.1993 edition of 7.4.1.3); --- Deleted the original 7.4.2B test (see.1993 version 7.4.2); --- Remove the cylinder density, static stress, static stress strain formula (see.1993 edition of 7.5.1.2, 7.5.2, 7.5.3); --- Modify the part of the test report (see Chapter 11, Chapter 8 of the.1993 edition); --- Removed Appendix A (see the.1993 edition of Appendix A). This standard proposed by the China Packaging Federation. This standard by the National Packaging Standardization Technical Committee (SAC/TC49) and focal point. This standard was drafted unit. China Packaging Research Center, Haida Instrument Co., Ltd. of Dongguan City, 赛 smell (Tianjin) Industrial Co., Ltd.. The main drafters of this standard. Cui Jie, Hu Haitao, Wang Zhenhua, Wang Lixin, Liu Hui, Yueqing Qing, Zhao Qing. This standard replaces the standards previously issued as. --- GB/T 14745-1993. Test methods for creep characteristics of cushioning materials for packaging

1 Scope

This standard specifies the test method of creep characteristics of cushioning materials for packaging. This standard applies to flake, plate or block packaging cushioning material.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 4122.3 Packaging terminology part 3. Protection Packaging - Transport packages - Basic test - Part 2. Temperature and humidity conditioning

3 Terms and definitions

GB/T 4122.3 defined and the following terms and definitions apply to this document. 3.1 Creep creep Under certain temperature and humidity and constant external force, the deformation of the material gradually increases with time. 3.2 Time - creep curve creepversustimecurve Taking the test time as the abscissa, the creep amount of the material during the test is plotted on the ordinate.

4 test principle

The load and the movable platen placed on the test sample to simulate the static constant compressive load, by measuring the thickness of the sample with time to change Characterize the creep properties of cushioning materials.

5 test equipment

5.1 test stand Test rack should meet the following requirements. a) The test stand includes a rigid base plate and a movable platen. The movable platen is capable of placing weights on the platen to apply pressure, and the applied load should be at The geometric center of the moving platen. Activities pressure plate should not be affected by any external force; b) The minimum size of the base plate and movable platen is 120 mm × 120 mm. 5.2 with weight Counterweight should be a flat surface of the cube structure should be made of metal to ensure the rigidity and strength of the normal test, the quality of fine Indeed 0.1kg. ......

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