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GB/T 24218.18-2014Textiles -- Test methods for nonwovens -- Part 18: Determination of breaking strength and elongation (grab method) (English PDF)

纺织品非织造布试验方法第18部分：断裂强力和断裂伸长率的测定（

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Recommended

Issue date

December 31, 2014

Implementation date

August 1, 2015

Scope

GB/T 24218.18-2014 is the English-translated version of 纺织品非织造布试验方法第18部分：断裂强力和断裂伸长率的测定（.

GB/T 24218.18-2014 is the Chinese standard "Textiles -- Test methods for nonwovens -- Part 18: Determination of breaking strength and elongation (grab method)".

Its scope clause reads: This section GB/T 24218 specifies the test methods for determination using the grab tensile properties of nonwoven Alhambra, including sample test wet.

This section applies to most types of non-woven fabric, it is not recommended for large elongation nonwoven fabric. Its clauses include terms and definitions.

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Document preview — GB/T 24218.18-2014

National Standard of the People's Republic of China

ICS: 59.080.30
Classification: W 04

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

1 Scope
2 Normative references
3 Terms and Definitions
3.1 Grab Test
3.2 Elongation
3.3 Breaking strength
3.4 Tensile strength

1 Scope

This section GB/T 24218 specifies the test methods for determination using the grab tensile properties of nonwoven Alhambra, including sample test wet.

This section applies to most types of non-woven fabric, it is not recommended for large elongation nonwoven fabric.

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 6529 Textiles conditioning and testing using standard atmosphere (GB/T 6529-2008, ISO 139.2005, MOD)

GB/T 19022-2003 Measurement management systems for measurement processes and measuring equipment (ISO 10012.2003, IDT)

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Grab Test

Widthwise central portion of the specimen holder is clamped tensile tester.

Note. Under normal circumstances, the use of grab tensile strength determination when the sample width is 100mm. Holder with 25mm wide clamp the specimen surface at both ends of the middle ranks

Bit, so that the tensile force to the center of the width of the specimen.

3.2 Elongation

Than the initial length of the sample and its increment due to the length of the force caused in percent.

3.3 Breaking strength

The sample was stretched to breaking off during maximum force.

NOTE. In the most brittle material is usually strong at the broken off, ductile material typically occurs most vigorously before breaking off.

3.4 Tensile strength

During stretching the stress test specimen.

NOTE. Measure the sample at the time of unbroken able to withstand the force.

Principle 4

The width of the specimen holder in the center of 100mm width 25mm of the clamp, to a predetermined tensile tester a tensile speed

Broken off until the sample, the sample record breaking strength and elongation at break. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 139.2005 · ISO 10012.2003

Cited by

GB/T 17639-2023Geosynthetics - Synthetic filament spunbond and needlepunched nonwoven geotextiles

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