FZ/T 50006-2013 Testing method for tencity of spandex filament yarns
1 Scope
This standard specifies the testing method for tensity of spandex filament yarns.
This standard is applicable to spandex filament yarns.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 3291.1 Textiles -Terms of textile material properties and test - Part 1: Fibre and yarn
GB/T 3291.3 Textiles -Terms of textile material properties and test - Part 3: General
GB/T 4146.1 Textiles - Man-made fibres - Part 1: Generic names
GB/T 4146.3 Textiles - Man-made fibers - Part 3: Terms of inspection
GB/T 6529 Textiles - Standard atmospheres for conditioning and testing
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
FZ/T 50005 Testing method for linear density of spandex filament yarns
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 3291.1, GB/T 3291.3, GB/T 4146.1 and GB/T 4146.3 as well as the following apply.
3.1
strength at 300% elongation
strength of the specimen when stretched to 300% of the initial length
4 Principle
Under the specified conditions, the specimen is pulled off with a constant-rate-of-extension (CRE) strength tester to determine the breaking force, elongation at break and load at specified elongation.
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Foreword II
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and appliance —— Constant-rate-of-extension strength tester
6 Standard atmospheres for conditioning and testing
7 Specimen preparation
8 Test procedures
9 Result calculation
10 Test report
