FZ/T 54059-2012 English PDF (FZT54059-2012)

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FZ/T 54059-2012: Polyester and polyamide composite partially oriented yarns
FZ/T 54059-2012
GB
INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Polyester and polyamide composite
partially oriented yarns
涤棉复合预取向丝
ISSUED ON. DECEMBER 28, 2012
IMPLEMENTED ON. JUNE 1, 2013
Issued by. Ministry of Industry and Information Technology of the
People’s Republic of China
Table of Contents
Foreword ... 3 
1  Scope ... 4 
2  Normative references ... 4 
3  Terms and definitions ... 5 
4  Product mark ... 6 
5  Technical requirements ... 6 
6  Test methods ... 8 
7  Inspection rules ... 9 
8  Marks, packaging, transportation and storage ... 11 
Foreword 
This Standard is drafted according to the rules specified in GB/T 1.1-2009
This Standard was proposed by China National Textile and Apparel Council.
This Standard shall be under the jurisdiction of Shanghai Textile Industry Technical
Supervision Center.
The responsible drafting organizations of this Standard. Xiamen Hongxin Special Fibre
Co., Ltd, Yingkou Risheng Yingjin Synthetic Fiber Co., Ltd, Taicang Rongwen Synthetic
Fiber Co., Ltd, Ningbo Green Textile Co., Ltd. and Shanghai Textile Industry Technical
Supervision Center.
The chief drafting staffs of this Standard. Zhang Feiyue, Pan Meiqiong, Jin Zhaohui, Quan
Xiao, Wei Fuli, and Zhou Zhende.
Polyester and polyamide composite
partially oriented yarns
1  Scope 
This Standard specifies the terms and definitions, product marking, technical
requirements, test methods, inspection rules and marks, packaging, transportation, and
storage of the polyester and polyamide composite partially oriented yarns.
This Standard applies to segmented polyester and polyamide composite partially oriented
yarns - total linear density is 60 dtex - 600 dtex; linear density per filament is 1.70 dtex -
5.60 dtex; polyester and polyamide proportional range is 90/10 to 65/35; with circular
cross section, natural color, and bright and semi dull.
This Standard applies to sheath-core polyester and polyamide composite partially
oriented yarns with 100 dtex to 390 dtex total linear densities, 1.60 dtex to 6.50 dtex linear
density per filament, 85/15 to 50/50 polyester and polyamide proportional range, circular
cross section, which are also naturally colored, bright and semi dull.
This Standard applies to partially oriented yarns that are manufactured by the composite
spinning process with polyester (PET) and polyamide (PA6). Other polyester and
polyamide composite partially oriented yarns may reference to this Standard.
2  Normative references 
The articles contained in the following documents have become part of this document
when they are quoted herein. For the dated documents so quoted, all the modifications
(Including all corrections) or revisions made thereafter shall be applicable to this
document.
GB/T 2828.1-2003 Sampling procedures for inspection by attributea — Part1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 2910.7 Textiles — Quantitative chemical analysis — Part 7. Mixtures of
polyamide and certain other fibres (method using formic acid)
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 6502 Sampling method of man-made filament yarns
GB/T 6504 Testing method for oil content of man-made fibres
GB/T 6505 Testing method for thermal shrinkage of man-made filament yarns
GB/T 8170 Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 14190 Test methods of fiber grade polyester chip
GB/T 14343 Testing method for linear density of man-made filament yarns
GB/T 14344 Testing method for tensile of man-made filament yarns
GB/T 14346 Testing method for yarn irregularity of man-made filament yarns by
means of electronic evenness tester
3  Terms and definitions 
Those defined in GB/T 3291.1, GB/T 3291.3, GB/T 4146.1 and GB/T 4146.3 AND the
following terms and definitions apply to this document.
3.1
Linear density per filament
It refers to the linear density in each single linear of multifilament, represented by PDF.
3.2
Polyester and polyamide composite partially oriented yarns
It refers to the partially oriented yarns that are manufactured by the composite spinning
process with polyester (PET) and polyamide (PA6).
3.3
Segmented
It refers to that. 2 kinds of raw materials are aligned respectively along the fiber axis; the
cross section of the fiber is in tangerine segment shaped, strip shaped or other shapes;
7.5 Re-inspection rules
7.5.1 General rules
For the purpose of acceptance or in case of doubt about product quality, an application for
re-inspection can be submitted within three months after the consignee receives a batch
of products. Re-inspection shall not be applicable, if one third of the batch has been used.
However, if the consignee can present the relevant proof to prove that this batch will
influence the quality of the post processing products and cause serious loss, it shall
analyze the cause, clarify responsibilities, and deal with it through negotiation.
7.5.2 Inspection items
Same as 7.1.
7.5.3 Group-batch rules
Conduct the group-batch based on the original production batch. However, products with
the production date interval more than 90 days cannot be considered as a same
group-batch number.
7.5.4 Sampling provisions
7.5.4.1 Laboratory samples of each item test in Table 1 and Table 2 are taken according
to the provisions of GB/T 6502.
7.5.4.2 With regard to appearance and bobbin weight items, sample size (character
code) shall be determined by general inspection level II in Table 1 of GB/T 2828.1-2003
according to batch range.
7.6 Evaluation of re-inspection results
7.6.1 The measured value or calculated value of each item in Table 1 and Table 2 shall
be compared to the limit value of the physical index in Table 1 and Table 2 according to
the rounding value comparison method in GB/T 8170. The grade shall be evaluated
one-by-one.
7.6.2 The inspection items of the appearance and bobbin weight shall confirm the
receiving number Ac and refusing number Re based on AQL value of 4.0 of single
sampling scheme in Table 2-A of the GB/T 2828.1-2003, under normal inspection
according to the 7.5.4.2 sample size. Evaluate according to the requirements in Chapter 5.
When the unqualified package quantity ≤Ac, it is deemed as the original grade. When the
unqualified package quantity ≥Re, it is judged as not conforming to the original grade.
7.6.3 The product comprehensive grade is evaluated according to 7.4.3. Products with
higher than or equal to the original grade are judged as qualified; otherwise it is judged as
unqualified.
8  Marks, packaging, transportation and storage 
8.1 Marks
The product name, specification, grade, batch number, net weight, gross weight, package
quantity, package date, product standard number, label, manufacturing enterprise name,
detailed address and other relevant information as well as the moisture proof mark and
fragile mark shall be indicated on the packaging box.
8.2 Packaging
8.2.1 Each package shall be covered with a plastic bag and put in the packaging box.
Locating devices (locators or locating hole panels etc.) shall be equipped insi...