GB/T 8960-2015Polyester drawn yarns (English PDF)

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

This standard replaces GB/T 8960-2008 "drawn polyester yarn." Compared with GB/T 8960-2008, the main amendments are as follows.

--- Expanding the scope of the standard, the "Bus density 15dtex ~ 340dtex, monofilament line density 0.3dtex ~ 5.6dtex round Sectional, semi-dull polyester drawn yarn, "was changed to" bus density 15dtex ~ 1110dtex, monofilament line density 0.3dtex ~ 7.0dtex of circular cross-section semi-dull, bright polyester FDY "(see Chapter 1, Chapter 1, 2008 edition);

--- Normative references, increased references GB/T 23111, remove the GB/T 1250 (see Chapter 2);

--- Remove the nominal linear density, defined batch production and the inspection lot (see Chapter 3, Chapter 3, 2008 edition);

--- The "classification and marking" with "product identification" (see Chapter 4, Chapter 4, 2008);

--- Table 1 is set based upon a single thread performance density sub-file from the original two steps into third gear, the original 0.3dtex \u003cdpf<= 1.0dtex and 1.0dtex \u003cdpf<=5.6dtex,5.6dtex\u003cdpf<=7.0dtex(1, 2008 edition Table 1);

--- Breaking strength to breaking strength index variation coefficient of variation coefficient (see Table 1, Table 1, 2008 edition);

<=12.00%, elongation at break of first-class goods index increased from M1 ± 6.0 up to M1 ± 4.0 (see Table 1, 2008 edition Table 1);

--- Excellence for dyeing evenness index increased to the original level >=4 >=4-5 level (see Table 1, Table 1, 2008 edition);

--- Test method for increasing the weight of the cylinder (see 6.1.7);

--- Retest when assessing the appearance of indicators, when the number of unqualified >=Re package, it will "reduce the level of the original one level" with "sentenced to Does not meet the original level "(see 7552, 2008 edition 7.2.4.2...);

--- When the reinspection, the comprehensive assessment of the product level, the "project to the physical appearance of the project and the lowest entry level product for a given level ' The words "assessed according to 7.4.3 above or equal to the original level to comply with the judgment, it is judged as lower than the original level does not meet" (see 7.5.5.3, 2008 Version 7.2.4.3);

--- Delete "box for each package size as uniform as possible within the requirements" (see 8.2 2, 2008 edition 9.1.2).

1 Scope

This standard specifies the terms and definitions drawn yarn of polyester, product identification, technical requirements, test methods, inspection rules and signs, packaging, transportation Transport and storage requirements.

This standard applies to bus density 15dtex ~ 1110dtex, single elimination semi-circular cross-section yarn density 0.3dtex ~ 7.0dtex of Light, bright polyester drawn yarn. Other types of polyester FDY can refer to use.

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 250 textile color fastness test assessing change in color like the gray card

GB/T 2828.1-2012 Sampling procedures for inspection - Part 1.

GB/T 3291.1 textile material properties and test - Part 1.

GB/T 3291.3 textile material properties and test - Part 3: General

GB/T 4146.1 Textiles chemical fiber - Part 1. generic name

GB/T 4146.3 Textiles chemical fiber - Part 3: Testing Terminology

GB/T 6502 sampling method of chemical fiber filament

GB/T 6504 Test method for chemical fiber oil content

GB/T 6505 chemical fiber filament heat shrinkage test method

GB/T 6508 dyed polyester filament uniformity test method

GB/T 8170 repair value expressed about the rules and limit values and judgment

GB/T 14189 fiber grade polyester chip (PET)

GB/T 14343 chemical fiber filament linear density test method

GB/T 14344 chemical fiber filament tensile properties

GB/T 23111 non-automatic weighing instruments

FZ/T 50001 Test method of synthetic filament network

3 Terms and Definitions

GB/T 3291.1, GB/T 3291.3, GB/T 4146.1, GB/T 4146.3, GB/T 14189 and defined by the following terms and definitions Meaning applicable to this document.