GB/T 16604-2017 PDF English
US$165.00 · In stock · Download in 9 secondsGB/T 16604-2017: Polyester Filament for Industry Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 16604: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 16604-2017 | English | 165 |
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Polyester Filament for Industry
| Valid |
| GB/T 16604-2008 | English | 140 |
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Polyester filament for industry
| Obsolete |
| GB/T 16604-1996 | English | 399 |
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Polyester filament for industry
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Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 16604-2017
GB/T 16604-2017: Polyester Filament for Industry---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT16604-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.060.20
W 52
Replacing GB/T 16604-2008
Polyester Filament for Industry
Issued on. DECEMBER 29, 2017
Implemented on. JULY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative References... 5
3 Terms and Definitions... 5
4 Classification and Identification... 7
5 Technical Requirements... 8
6 Test Methods... 11
7 Inspection Rules... 16
8 Marking, Packaging, Transportation and Storage... 18
Appendix A (normative) Appearance Requirements, Inspection and Evaluation
... 20
1 Scope
This Standard specifies the terms and definitions, classification and identification,
technical requirements, test methods, inspection rules, marking, packaging,
transportation and storage of polyester filament for industry.
This Standard is applicable to polyester filament for industry with a linear density of
140 dtex ~ 9,000 dtex; other polyester filaments for industry may take this as a
reference.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 2828.1-2012 Sampling Procedures for Industry by Attribute - Part 1.Sampling
Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 3291.1 Textiles - Terms of Textile Material Properties and Test - Part 1.Fiber and
Yarn
GB/T 3291.3 Textiles - Terms of Textile Material Properties and Test - Part 3.General
GB/T 4146 (all parts) Textiles - Man-made Fibers
GB/T 6502 Sampling Method of Man-made Filament Yarns
3 Terms and Definitions
What is defined in GB/T 3291.1, GB/T 3291.3 and GB/T 4146 (all parts), and the
following terms and definitions are applicable to this document.
3.1 Index of Dimensional Stability
Index of dimensional stability refers to the sum of elongation rate of fiber under 4.0
cN/dtex load and the dry-hot shrinkage rate.
3.5 High-tenacity Low-shrinkage Polyester (HTLS) Filament for Industry
High-tenacity low-shrinkage polyester filament for industry refers to polyester filament
for industry whose dry-hot shrinkage rate (test conditions. 177 °C, 10 min, pre-tension
0.05 cN/dtex) is not greater than 2.5%, and whose breaking tenacity is not less than
6.60 cN/dtex.
3.8 Ultra-low-shrinkage (ULS) Polyester Filament for Industry
Ultra-low-shrinkage polyester filament for industry refers to polyester filament for
industry whose dry-hot shrinkage rate (test conditions. 190 °C, 15 min, pre-tension
0.01 cN/dtex) is not greater than 3.0%, and whose breaking tenacity is not less than
6.00 cN/dtex.
3.9 High-modulus Low-shrinkage (HMLS) Polyester Filament for Industry
High-modulus low-shrinkage polyester filament for industry refers to polyester filament
for industry characterized by the index of dimensional stability and not greater than 10.
4 Classification and Identification
4.1 Classification
In accordance with product performance, polyester filament for industry may be divided
into three types. high-tenacity type, low-shrinkage type and high-modulus low-
shrinkage type. The subdivision of the various types is as follows.
4.2 Identification
4.2.1 Product specifications shall be identified by fiber thickness (referring to the linear
density of fiber, expressed in dtex) and the number of single filaments (referring to the
number of spinneret holes, expressed in f), for example, 1,111 dtex/192 f.
4.2.2 Product identification shall include specifications, classification and name, etc.
5 Technical Requirements
5.1 Polyester filaments for industry are divided into three grades. superior, first-class
and qualified. The physical indicators of each grade are shown in Table 1 ~ Table 3.
5.2 The appearance items and indicators shall be determined by the demand-side and
the supply-side through negotiation, or, in accordance with the stipulations of Appendix
A.
6 Test Methods
6.1 General Rules
6.1.1 Conditioning and Standard Atmosphere for Tests
The conditions of conditioning and standard atmosphere for tests are. temperature (20
± 5) °C; relative humidity (65 ± 5) %.
6.1.2 Specimen preparation
Under the standard atmospheric conditions specified in 6.1.1, carry out conditioning
and balancing for 4 h on 20 laboratory samples obtained in accordance with the
stipulations of 7.4.2.If it is a re-test, then, under the standard atmospheric conditions
specified in 6.1.1, carry out conditioning and balancing for 16 h. After carrying out
Indicator Item No.
6.2 Linear Density
The test of linear density shall comply with GB/T 14343.The conditioning and standard
atmosphere for tests shall comply with the stipulations of 6.1.1.The pre-tension of per
unit linear density is specified as. (0.05 ± 0.005) cN/dtex.
6.3 Tensile Properties
6.4 Dry-hot Shrinkage Rate
6.4.1 Test principle
Test Conditions Unit Condition 1 Condition 2
Clamping Length
6.4.2 Method A - drying oven method
6.4.2.1 Principle
Under the specified conditions, determine the length variation of the test specimen
before and after the dry-hot air treatment; calculate the dry-hot shrinkage rate.
6.4.2.2 Instruments
6.4.2.4 Test procedures
6.4.2.4.1 After removing a few surface-layer filaments of each reel, take specimens of
about 550 mm long; tie both ends of the specimens one by one and tie a knot, so as
to form a filament loop with a circumference of nearly 500 mm.
6.4.2.4.4 Take the specimen support frame out of the oven; place it in the standard
atmosphere specified in 6.1.1; conduct balancing for 30 min.
6.4.2.4.5 In accordance with the same mode in 6.4.2.4.2, determine the post-shrinkage
length Li of each specimen, accurate to 0.5 mm; record it.
6.4.2.5 Calculation
The average dry-hot shrinkage rate shall be calculated in accordance with Formula (2)
and Formula (3).
6.5 Index of Dimensional Stability
6.5.1 The index of dimensional stability is the sum of the average elongation rate and
average dry-hot shrinkage rate under 4.0 cN/dtex load.
6.5.2 The calculation result shall be rounded off to one decimal place.
6.6 Appearance
It shall be determined by the demand-side and the supply-side through negotiation, or,
in accordance with the stipulations of Appendix A.
7 Inspection Rules
7.1 Type of Inspection
The items in Table 1 ~ Table 3 are all exit-factory inspection items.
7.2 Inspection Items
7.3 Batching Rules
Adopt periodic sampling to form an inspection lot. One production batch may be
composed of one inspection batch, or, several inspection batches.
7.4 Stipulations of Sampling
7.5 Comprehensive Evaluation
7.5.1 The appearance inspection items shall comply with the stipulations of 5.2 and be
evaluated spool by spool.
7.5.2 The determined values or calculated values of the various performance
7.6 Re-inspection Rules
7.6.5 Evaluation rules
7.6.5.1 Appearance
7.6.5.1.1 In accordance with the sample size in 7.6.3, and “one-time sampling scheme
of normal inspection” (AQL value is 4.0) in Table 2 of GB/T 2828.1-2012, determine the
number of accepted Ac and the number of rejected Re.
7.6.5.2 Evaluation of performance inspection items
In accordance with the stipulations of 7.5.2, evaluate the grade.
7.6.5.3 Comprehensive evaluation
In accordance with the lowest grade in 7.6.5.1.2 and 7.6.5.2, comprehensively
evaluate the grade of the production batch.
8 Marking, Packaging, Transportation and Storage
8.1 Marking
8.1.1 On both sides of the packaging box, the product name, specifications and grade
requested in Chapter 4 shall be marked in eye-catching colors.
8.2 Packaging
8.2.1 Each reel shall have a protective layer. In the packaging box, the supported reels
shall be positioned and fixed; the unsupported reels shall be protected from damage.
8.2.2 The size of reels in each packaging box should be uniform. Different varieties,
specifications, batch numbers and grades shall be separately packed.
8.2.3 Each batch of products shall be accompanied by a quality inspection form.
8.3 Transportation
During transportation, the packaging boxes shall be protected from damage, and the
items shall not be affected with damp.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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