FZ/T 54070-2024 English PDF

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FZ/T 54070-2024: (Polyester coarse single fiber drawn yarn)
Status: Valid

FZ/T 54070: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
FZ/T 54070-2024	209	Add to Cart	3 days	(Polyester coarse single fiber drawn yarn)	Valid
FZ/T 54070-2014	189	Add to Cart	3 days	Polyester minifil drawn yarn	Valid

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Basic data

Standard ID: FZ/T 54070-2024 (FZ/T54070-2024)
Description (Translated English): (Polyester coarse single fiber drawn yarn)
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W52
Classification of International Standard: 59.060.20
Word Count Estimation: 9,961
Date of Issue: 2024-07-05
Date of Implementation: 2026-07-01
Older Standard (superseded by this standard): FZ/T 54070-2014
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This standard specifies the product identification, technical requirements, inspection rules, marking, packaging, transportation, storage and other aspects of polyester coarse single fiber drawn yarn, and specifies the test methods.

FZ/T 54070-2014: Polyester minifil drawn yarn

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Polyester minifil drawn yarn ICS 59.060.20 W52 People's Republic of China textile industry standards The crude monofilament polyester drawn yarn Issued on. 2014-05-06 2014-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Textile Industry Association. This standard by the Shanghai textile industry technical supervision of the centralized. This standard was drafted. Xinfengming Group Co., Ltd., Shanghai textile industry technical supervision, Tongxiang City Chemical Fiber Co., Turin the company. The main drafters of this standard. Wu Lingen, new Feng Wei, Zhang Jianfu, Caoxiao Fen, Wang Lili. The crude monofilament polyester drawn yarn

1 Scope

This standard specifies the terms and definitions of crude monofilament polyester drawn yarn, classification and identification, technical requirements, test methods, inspection rules, and standard Chi, packaging, transportation and storage requirements. This standard applies to buses density 30.0dtex ~ 500.0dtex, monofilament line density 8.0dtex ~ 40.0dtex, circular cross-section, triangular, Clover profiled semi-dull, bright coarse monofilament polyester drawn yarn, other types of crude monofilament 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. by acceptance quality limit (AQL) retrieval batch test sample plan GB/T 3291.1 textile material properties and test - Part 1. fibers and yarns 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 14190 fiber grade polyester chip (PET) Test Method GB/T 14343 chemical fiber filament linear density test method GB/T 14344 chemical fiber filament tensile properties FZ/T 50002 Test method for chemical fiber shaped degree

3 Terms and Definitions

GB/T 3291.1, GB/T 3291.3, GB/T 4146.1 and GB/T 4146.3 defined and the following terms and definitions apply in this file. 3.1 Compared with conventional multifilament, monofilament less and the number of single-thread denser fully drawn polyester filament.

4 Classification and labeling

4.1 Categories The crude monofilament polyester FDY its single thread density (dpf), divided into two categories. --- 8.0dtex≤dpf < 20.0dtex; --- 20.0dtex≤dpf≤40.0dtex. 4.2 Product Identification 4.2.1 Specifications in linear density and number of filaments (f) shows. Line density in decitex (dtex). Example. a linear density of 66dtex, number of filaments to a crude monofilament polyester drawn yarn 3, product specifications can be expressed 66dtex/3f. 4.2.2 Product by product specifications, cross-sectional shape, luster and production processes identified. Example. 66dtex/3f triangle lustrous monofilament polyester rough drawing wire.

5 Technical requirements

5.1 Product classification The crude monofilament polyester FDY divided into superior products, first-class products, qualified three levels below grade Qualified products for substandard goods. 5.2 Performance Project and indicators Table 1. Table 1 Project performance indicators and polyester drawn yarn of coarse monofilament No. Item 8.0dtex≤dpf < 20.0dtex 20.0dtex≤dpf≤40.0dtex Premium grade First grade Qualified Excellence in goods First grade Qualified 1 linear density deviation rate /% ± 1.8 ± 2.3 ± 3.0 ± 2.0 ± 2.5 ± 3.5 2 linear density coefficient of variation (CVb) /% ≤ 1.50 2.00 3.00 2.00 2.50 3.00 Breaking strength / (CN/dtex) Circular cross-section ≥ 3.80 3.60 3.30 3.50 3.30 3.10 Profiled ≥ 3.50 3.30 3.10 3.40 3.20 3.00 4 breaking strength coefficient of variation (CVb) /% ≤ 7.00 9.00 11.00 8.00 10.00 12.00 5 Elongation at break /% M1a ± 4.0 M1 ± 6.0 M1 ± 8.0 M1 ± 5.0 M1 ± 7.0 M1 ± 9.0 6 elongation at break coefficient of variation (CVb) /% ≤ 10.00 13.00 16.00 12.00 15.00 18.00 7 boiling water shrinkage /% M2b ± 0.8 M2 ± 1.0 M2 ± 1.5 M2 ± 1.0 M2 ± 1.2 M2 ± 1.5 8 dyeing uniformity (gray card)/Grade ≥ 4 4 3-4 4 4 3-4 9 oil content /% M3c ± 0.30 M3 ± 0.35 M3 ± 0.35 M3 ± 0.30 M3 ± 0.35 M3 ± 0.35 10 tube weight (net weight)/kg ≥ fixed weight or length or weight given 1.0 0.5 1.0 0.5 fixed-length a M1 is the central value of breaking elongation, negotiated by both parties to determine, once identified can not be arbitrarily changed. b M2 is the central value of shrinkage in boiling water, the two sides negotiated by the supply and demand, once identified can not be arbitrarily changed. c M3 is the central value of oil content, negotiated by both parties, once one shall be arbitrarily changed. Shaped cross-sectional shape and 5.3 degrees The two sides negotiated by supply and demand. 5.4 Exterior indicators Supply and demand sides, after consultation in accordance with the requirements of the product.

6 Test methods

6.1 linear density test According to GB/T 14343 regulations. 6.2 breaking strength and elongation test Performed in GB/T 14344 regulations. 6.3 The boiling water shrinkage test According to GB/T 6505 regulations. 6.4 dyeing uniformity test According to GB/T 6508 drawn yarn and knitting garter sentenced color observation and assessment procedures regulations. 6.5 Oil Content Test Performed in GB/T 6504 regulations. 6.6 weight test tube Saying that the quality of the package to take with a suitable range of weighing scales, electronic weighing scales and other, net of known quality leather, the quality is the net weight of the barrel, fine Indeed to 0.5%, and recorded. 6.7 titanium dioxide content test Performed in GB/T 14190 regulations. 6.8 cross-sectional shape The straight and parallel to a small bundle of fibers penetrate the sample plate special hole, trim the exposed ends of the fibers to form a sheet. Using microscopy Projector enlarged cross-sectional shape of the fiber was observed. Alien 6.9 degrees Press FZ/T 50002 regulations. 6.10 Visual inspection 6.10.1 Equipment Can move the light source, the light source is fixed visual inspection. --- Move the light source. illumination requirements greater than or equal 600lx, no other strong interference sources. Note. according to the actual choice of moving light source may be rechargeable flashlight or other light or to achieve any illumination requirements. --- Fixed light. with ordinary fluorescent lamps arranged in parallel, hanging on to 180cm ~ 200cm above the ground at the wire just below the car You can easily observe the package wire surface oil is appropriate. Illumination of the operating point is greater than or equal to 600lx. 6.10.2 verification step 6.10.2.1 careful observation of the two end faces of the package and a cylindrical surface. 6.10.2.2 visual inspection is performed for each subject is mounted volume, and record.

7 Inspection rules

7.1 Test Project 7.1.1 Table 1 items are test items. 7.1.2 Visual inspection items according to the provisions of 5.4. 7.2 Grouping of samples Within a certain range by the periodic sampling test batch composition. A production batch by batch testing a composition, but also by a number of inspection lots composition. 7.3 sampling provision 7.3.1 laboratory sample test items in Table 1 for each sample according to GB/T 6502 regulations. Wherein dyeing uniformity and re-test the cylinder-by-cylinder sampling. 7.3.2 visual inspection by sampling tube. 7.4 determine the rules Measured or calculated values 7.4.1 Performance Project/T 8170 in the rounding value comparison method compared with the limit values of performance indicators in Table 1 according to GB, Rating. Wherein staining uniformity of tube socks by colorimetric control gray card, according to the dyeing poor (including within the same period of the Garter shades stripes) Press GB/T 250 rating. 7.4.2 visual inspection according to the provisions of 5.4-by-cylinder rating. 7.4.3 Evaluation comprehensive product level, to examine batch performance and appearance of the lowest entry level indicators as the batch level. 7.5 reinspection rules 7.5.1 General Batch of products to the consignee within three months, as the acceptance or objections can be brought to the quality of the re-inspection. If the batch number of the product used When more than one third, may not apply for re-inspection. However, if the consignee can produce evidence to prove that the product does affect yield after processing Quality products, and when causing serious damage, we should analyze the causes and define responsibilities of both parties, consultations. 7.5.2 Test items With 7.1. 7.5.3 Batch provisions Original batch production batch groups, but the production date interval not more than 90 days by the same batch of product Batch. 7.5.4 Sampling provisions 7.5.4.1 Performance Indicators Project laboratory sample sampling according to GB/T 6502 regulations. 7.5.4.2 Look for sampling. Determine the sample size according to the batch test level Ⅱ general provisions according to GB/T 2828.1-2012 Table 1 (Word). 7.5.5 retest assessment Limit the number of measured or calculated values 7.5.5.1 Performance Indicators Project in accordance with GB/T 8170 in comparison with the value rounding Table 1 performance Value comparison, rating. Wherein staining uniformity for all samples according to the package is poor (including shades of the same paragraph striped garter inside) Press GB/T 250 rating. 7.5.5.2 7.5.4.2 Appearance items by a sampling program based on a sample size GB/T 2828.1-2012 Table 2-A in the normal inspection AQL Value of 4.0, determine the acceptance number Ac and failed to determine the number Re, according to supply and demand indicators assessed bilateral contracts, when the number of defective package ≤Ac original level when, when the number of package failed ≥Re, the penalty for non-compliance with the original rating. Comprehensive Assessment 7.5.5.3 product level, according to 7.4.3 assessment, higher than or equal to the original level to comply with the judgment, lower than the original level is judged as not meets the. 8 signs, packaging, transportation and storage 8.1 mark Should indicate the product name, size, grade, batch number, net weight, gross weight, number of packages, packing date, product standard number, trademark on the package, The production company name, full address and other relevant information and moisture, Handle with care and other warning signs. 8.2 Packaging 8.2.1 Each package shall be set after a plastic bag into the box. The box should be positioning device (positioning device or positioning plates, etc.) solid Set the package, the package should be able to ensure that the package is not damaged. Volume 8.2.2 within each package size installation requirements as even as possible. Different varieties, specifications, batch number, grade, respectively, to packing, non-mixed. 8.2.3 each batch of product quality should be attached to a single test. 8.3 Transport Forbidden to damage during transport crates and moisture. 8.4 Storage Crates stacked in batches, stored in a dry, clean, ventilated area. ......

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