FZ/T 54073-2014Bright profiled polyamide 6 partially oriented yarns (English PDF)

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. Guangdong Xinhui Meida Nylon Co., Ltd., Zhejiang Yuxin Poly Pan Industrial Co., Ltd., Shanghai Textile Industry Technical supervision, Kam matter of Zhejiang Chemical Fiber Co., Ltd. Zhejiang Asia Fiber Co., Ltd., Changle Heng Shanghai Science and Technology Co., Ltd. synthetic fiber.

1 Scope

This standard specifies the bright shaped nylon 6 pre-oriented yarn (referred POY) terms and definitions, product identification, technical requirements, test side Method, inspection rules, marking, packaging, transportation and storage requirements.

This standard applies to pre-oriented yarn polycaprolactam processing of raw materials made of linear density in the range of 12.0dtex ~ 480.0dtex, single Yarn density 1.0dtex ~ 6.0dtex, trilobal and triangular cross-section bright POY, other types of bright shaped nylon 6 prefetch Referring to the wire can be used.

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 6503 Test Methods for chemical fiber moisture regain GB/T 6504 Test method for chemical fiber oil content GB/T 8170 repair value expressed about the rules and limit values and judgment GB/T 14343 chemical fiber filament linear density test method GB/T 14344 chemical fiber filament tensile properties GB/T 14346 chemical fiber filament electronic evenness test method FZ/T 50002 Test method for chemical fiber shaped degree FZ/T 51004 chips fiber grade polycaprolactam

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 to this file.

Bright shaped nylon 6 POY brightprofiledpolyamide6partialyorientedyarn Using titanium dioxide content of less than or equal to 0.05% (by mass) of polycaprolactam chips using profiled spinneret, spinning A nylon 6 pre-oriented yarn (POY).

4 Product Identification

Product specifications in fiber linear density (dtex) and the number of filaments (f) shows.

Example. a linear density of 44dtex, the number of single-beam filament is bright shaped nylon 6 POY 24 (POY), which is expressed as product specifications 44dtex/24f.

5 Technical requirements

8 Relative radial shaped degree /% >= 30.0 25.0 -

9 Relative radial profiled coefficient of variation (CV) /% <= 15.0 20.0 -

aM for the breaking elongation central value within the range of 55.0% ~ 80.0% selected, once identified can not be arbitrarily changed, if there are special circumstances, supply and demand sides negotiated determine.

5.3 oil content, appearance items and the index value both parties are determined by supply and demand, but also the appearance of the project according to the requirements of Appendix A to include commercial contracts, if necessary.

6 Test methods

6.1 linear density test According to GB/T 14343 regulations.

6.2 tensile properties Performed in GB/T 14344 regulations.

6.3 Unevenness test

Performed in GB/T 14346 regulations.

6.4 relative radial profiled Test Press FZ/T 50002 regulations.

6.5 Oil Content Test Performed in GB/T 6504 regulations. Arbitration, using the extraction method.

6.6 titanium dioxide content Press FZ/T 51004 regulations.

6.7 Regain Test

According to GB/T 6503 regulations.

6.8 Visual inspection According to supply and demand sides agreed to perform or execute in accordance with the provisions of Appendix A.

7 Inspection rules

7.1 Test Project

7.1.1 Table 1 items are assessment items, test methods in accordance with Chapter 6 of the inspection.

7.1.2 oil content and appearance inspection items by both supply and demand requirements of the inspection, visual inspection can also be examined in accordance with the provisions of Appendix A.

7.2 Group granted by the 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 Appearance Items full inspection. Laboratory samples drawn tube weight and appearance should be consistent with the corresponding level.

7.3.2 Table 1, numbers 1 to 7 physical properties of laboratory samples test samples according to GB/T 6502 regulations.

7.4 Evaluation of test results 7.4.1 measured or calculated values of physical properties/T 8170 in the rounding value comparison Comparison according to GB limit values and indicators of Table 1, one by one Rating.

7.4.2 Visual inspection items by both parties or required by the requirements specified in Appendix A, the cylinder-by-assessment.

7.4.3 Evaluation comprehensive product level, to examine the physical properties and appearance batch index lowest level for a given product level.

7.5 reinspection rules

7.5.1 General

Batch of products to the consignee within three months, as the acceptance or objection to draw quality reinspection. If the batch number of the product used when more than one third should 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 difference between the production date interval exceeds 90d product is not according to the same batch Batch.

7.5.4 Sampling provisions 7.5.4.1 appearance and weight difference of sampling. According batch II accordance with the provisions GB/T 2828.1-2012 Table 1, the general test level Determine the sample size (word).

Laboratory sample 7.5.4.2 Table 1 No. 1 to 7 physical properties of the samples according to 7.3.2.

Evaluation 7.5.5 retest results 7.5.5.1 7.5.4.1 appearance by sample size, according to GB/T 2828.1-2012 Table 2-A reception quality sampling program in a normal inspection Limit (AQL) is 4.0, determine the acceptance number Ac and failed to determine the number Re, according to both supply and demand indicators or Appendix A contract assessment, when when the number of failed cheese <=Ac original sentence level; when the number of failed cheese >=Re, the penalty for non-compliance with the original rating.

7.5.5.2 physical performance test items prescribed rating according to 7.4.1.

7.5.5.3 Integrated Product class according to 7.4.3 assessment, higher than or equal to the original level to comply with the judgment, it is judged as lower than the original level does not meet.

7.5.6 Calculation conventional mass Conventional mass bright shaped nylon 6 POY according to formula (1).

m = m1 ×

1 R0

Where.

m --- batch package conventional mass, in kilograms (kg);

m1 --- batch package net mass, in kilograms (kg);

R0 --- bright shaped nylon 6 POY official moisture regain, 4.5%;

R --- bright shaped nylon 6 POY Found moisture regain%.

Found regain bright shaped nylon 6 POY carried out according to GB/T 6503 regulations.

When conventional mass difference of not more than 0.5%, no compensation; when exceeded, according to the actual excess compensation.

8 signs, packaging, transportation and storage 8.1 mark shall be marked with the name and address, product name, size, grade, batch number, net weight, gross weight, the number of cheese, production date, trademarks, standard carton Number and moisture, light up sign.

8.2 Packaging

8.2.1 Each wire tube should be plastic bag, according to different varieties, specifications, batch number, grade, date of packaging, packing, respectively.

8.2.2 bobbin inner packaging cartons, cardboard tube ends should be fixed wire quality positioning device should guarantee the quality of products from damage.

8.2.3 wire tube size of each package within the requirements as uniform as possible.

8.2.4 Each batch of products should be accompanied by the quality of Inspection.

8.3 Transport

Transit ban damaged packaging, prohibit inversion and moisture.

8.4 Storage

Crates stacked in batches, stored in a dry, clean, ventilated, dark warehouse.

Appendix A

(Normative)

Appearance requirements, testing, evaluation A.1 Requirements Appearance items and indicators Table A.1.

Table A.1 appearance items and the index value

No. Project for Excellence (AA) First grade (A) Qualified (B) 1 bristles/(root/wound surface) <= 0 2 12 2 loose bead wire/(root/package surface) <= 0 8 16 3 mesh a/(root/one end of the package) <= 0 4 12 4 color b normal slight light

5 Oil/(cm2/package surface) <= 0 1 4 6 cylinder weight/kg >= Definite - -a mesh refers to the length >=2cm counted, if the two ends are defined as substandard.

b color, referring to GB/T 250 level set and the like. The "normal" equivalent to 4, "slight" is equivalent to level 3, "light" is equivalent to 2-3.

A.2 Test

A.2.1 Conditions

Illumination of the operating point is greater than or equal 400lx, the surroundings should be no other scattered light and reflected light. Visual distance of 0.30m ~ 0.40m (When the test tube wire bristles is 0.20m ~ 0.25m), viewing angle of 40 ° ~ 60 ° (check wire tube parallel to the bristles look).

A.2.2 Equipment

A.2.2.1 illumination table.

A.2.2.2 Classification table (car).

A.2.2.3 pounds, said suitable weighing range, accuracy of 0.5%.

A.2.3 verification step A.2.3.1 rotation of the two end faces of the cheese is observed one week and a cylindrical surface on the classification device.

A.2.3.2 tested is mounted on each subject according to the requirements of the volume of the project A.1 A.2.3.3 Check wool yarn to yarn or monofilament phenomenon was stuffed head protruding from the broken wire multifilament surface, to the light to see prevail.

A.2.3.4 Inspection loose bead wire, monofilament and unbroken surface 2mm whichever is higher wire.

A.2.3.5 to visually inspect the oil can be seen oil silk, silk and difficult to clean water and rust stains subject to area calculation.

A.2.3.6 Check mesh (trip wire) is the presence of the yarn winding bobbin ends out of the normal track of the number and length of the subject, the length of the open >=2cm Beginning to calculate the number of records.

A.2.3.7 Check color to each end face of the deepest and most shallow cheese between color and color difference between the package prevail, then control gray card Comment Stage set and other records.

A.2.3.8 saying that the quality of the cheese to take deducted known skin quality, is the net weight of the cylinder, accurate to within 0.5%.

A.2.3.9 Record result.

A.3 Synthetic etc.

In the project the appearance of the lowest entry level package for a given level.