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FZ/T 54001-2012 English PDF

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FZ/T 54001-2012: Polypropylene bulked continuous filament yarns(BCF)
Status: Valid

FZ/T 54001: Evolution and historical versions

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FZ/T 54001-2012English279 Add to Cart 3 days [Need to translate] Polypropylene bulked continuous filament yarns(BCF) Valid FZ/T 54001-2012
FZ/T 54001-1991English479 Add to Cart 4 days [Need to translate] PP BCF Yarn Obsolete FZ/T 54001-1991

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Basic data

Standard ID FZ/T 54001-2012 (FZ/T54001-2012)
Description (Translated English) Polypropylene bulked continuous filament yarns(BCF)
Sector / Industry Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard W52
Classification of International Standard 59.060.20
Word Count Estimation 12,135
Older Standard (superseded by this standard) FZ/T 54001-1991
Quoted Standard GB/T 250; GB/T 2828.1-2003; GB/T 3291.1; GB/T 3291.3; GB/T 4146.1; GB/T 4146.3; GB/T 6502; GB/T 6503; GB/T 6504; GB/T 6505; GB/T 8170; GB 9994; GB/T 14343; GB/T 14344; FZ/T 50001
Regulation (derived from) Ministry of Industry and Information Technology Bulletin 2012 No. 70; industry standard filing Notice 2013 No. 2 (No. 158 overall)
Issuing agency(ies) Ministry of Industry and Information Technology of the People's Republic of China
Summary This standard specifies the expanded polypropylene filament (hereinafter referred to as polypropylene BCF) of the terms and definitions, product identification, technical requirements, test methods, inspection rules and signs, packaging, transportation an

FZ/T 54001-2012: Polypropylene bulked continuous filament yarns(BCF)

---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.
Polypropylene bulked continuous filament yarns (BCF) ICS 59.060.20 W52 People's Republic of China Textile Industry Standard Replace FZ/T 54001-1991 Polypropylene expanded filament (BCF) Released on.2012-12-28 2013-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is an amendment to FZ/T 54001-1991 "Polypropylene BCF Wire". The main revisions are as follows. ---The standard name was changed from "Bront BCF Wire" to "Polypropylene Expanded Filament (BCF)"; --- Applicable range from Y-type and △-type cross-section with light density of 800dtex~3400dtex, light, natural and colored polypropylene BCF, Change to trilobal and triangular cross section, light, matt, natural and colored polypropylene BCF from 800dtex to 3800dtex (see section 1) Chapter, Chapter 1 of the.1991 edition); --- Normative references added FZ/T 50001 "Synthetic Fiber Filament Network Test Method" instead of Appendix B "Network Degree Test Method" (see Chapter 2, Chapter 2 of the.1991 edition); --- Increase product identification (see Chapter 4); ---Product classification is changed from four grades of "excellent, first-class, second-class, third-class" to. "Excellent, first-class, qualified" Grades, products below the quality of the product are equivalents (see Chapter 5, Chapter 4 of the.1991 edition); ---Fracture strength, coefficient of variation of breaking strength, coefficient of variation of elongation at break, boiling water shrinkage, thermal curl elongation Adjustments to quality indicators for rate, oil content, and elongation at break (see Chapter 5, Chapter 4 of the.1991 edition); --- Appearance indicators in the tube weight project deviations reduced, wool, hard silk, color difference and other project indicators to adjust (see Appendix A,.1991 Chapter 4 of the edition); --- Increased the test method for moisture regain and tube weight; (see Chapter 6, Chapter 5 of the.1991 edition); --- Inspection rules are divided into factory inspection and re-inspection rules (see Chapter 7, Chapter 6 of the.1991 edition); --- Marking, packaging, transportation, storage, adding "each package or each package should have a waterproof, dustproof protective layer", increase The storage conditions for “avoiding direct sunlight”; change “in the warehouse” to “place” (see Chapter 8, Chapter 7 of.1991) chapter). This standard was proposed by the China National Textile and Apparel Council. This standard is under the jurisdiction of Shanghai Textile Industry Technical Supervision. This standard was drafted. Changzhou Lingda Special Fiber Co., Ltd., China Chemical Fiber Industry Association, Shanghai Textile Industry Technology Supervision Supervisor. The main drafters of this standard. Lu Huilin, Jiang Junxian, Duan Xiaoping, Li Hongjie, Li Boming. The previous versions of the standards replaced by this standard are. ---FZ/T 54001-1991. Polypropylene expanded filament (BCF)

1 Scope

This standard specifies the terms and definitions of polypropylene expanded filament (hereinafter referred to as polypropylene BCF), product identification, technical requirements, test methods, Inspection rules and signs, packaging, transportation, storage. This standard applies to linear density of 800dtex~3800dtex, cross-sectional shape is trilobal and triangular, with light, extinction, true color and Color polypropylene BCF quality verification and acceptance. Other shaped cross-section polypropylene BCF can also be used as reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 250 Textile color fastness test for gray color card for color change GB/T 2828.1-2003 - Sampling procedures for sampling by sampling - Part 1 . Batch-to-batch inspections by Retrieving Quality of Acceptance (AQL) plan Textiles and textiles - Performance and test terms - Part 1. Fibers and yarns GB/T 3291.3 Textiles and textile materials - Performance and test terms - Part 3 GB/T 4146.1 Textile chemical fiber - Part 1. Generic name GB/T 4146.3 Textile chemical fibres - Part 3. Test terms GB/T 6502 chemical fiber filament sampling method GB/T 6503 chemical fiber moisture regain test method GB/T 6504 chemical fiber oil content test method GB/T 6505 chemical fiber filament heat shrinkage test method GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB 9994 textile material official moisture regain GB/T 14343 chemical fiber filament filament density test method GB/T 14344 Test method for tensile properties of chemical fiber filaments FZ/T 50001 synthetic fiber filament network test method

3 Terms and definitions

The terms and definitions defined in GB/T 3291.1, GB/T 3291.3, GB/T 4146.1 and GB/T 4146.3 and the following apply In this document. 3.1 Expanded filament (BCF) bulkedcontinuousfilamentyarn Expanded filaments produced by spinning, drawing, and deformation. 3.2 Heat curl elongation (CEAH) crimpelongationafterheating After heat treatment under specified conditions, it is loaded by a specified loading procedure, according to the length of the bulked filament when the load is increased and the light load is applied. The percentage of the difference between the initial length and the initial length is calculated as the thermal curl elongation.

4 Product identification

Specifications are expressed in terms of linear density (dtex) and number of filaments (f). Example. Polypropylene BCF with a multifilament thread density of 1150 dtex and a number of filaments of 80. Its product specification is 1150 dtex/80f polypropylene expanded filament. (BCF).

5 Technical requirements

5.1 Product Classification The product grade is divided into three grades. superior grade, first grade, and qualified grade, and the lower grade is lower than the qualified one. 5.2 Physical performance items and indicator values Physical performance items and indicator values are shown in Table 1. Table 1 Physical performance items and indicator values No. Item Excellent Item First Class Qualified Product 1 Linear density deviation rate /% ± 3.0 3.5 4.5 2 Linear density coefficient of variation (CVb value) /% ≤ 3.00 3.50 4.50 3 breaking strength/(cN/dtex) ≥ 1.85 1.65 1.50 4 coefficient of variation of breaking strength (CVb value) /% ≤ 6.00 8.00 10.00 5 Elongation at break /% M1a±10.0 M1a±15.0 M1a±20.0 6 elongation at break coefficient of variation (CVb value) /% ≤ 15.00 - 7 boiling water shrinkage /% ≤ 3.50 4.00 5.00 8 Thermal curl elongation /% ≥ < 2000dtex 16.0 14.0 12.0 ≥2000dtex 18.0 16.0 13.0 9 Network degree/(pieces/m) M2b ± 3 M2b ± 4 M2b ± 5 10 oil content /% M3c ± 0.15 M3c ± 0.25 M3c ± 0.35 11 barrel weight/kg M4d ± 0.15 M4d ± 0.20 M4d ± 0.40 aM1 is the central value of elongation at break, which is determined by both parties. Once determined, it cannot be arbitrarily changed. bM2 is the network center value, which is customized according to the line density and user requirements. Once it is determined, it cannot be changed arbitrarily. cM3 is the central value of the oil content rate, which is determined by both parties. Once determined, it cannot be changed arbitrarily. dM4 is the center value of the cylinder and is determined by both parties. 5.3 Appearance performance items and indicator values Appearance performance requirements may be based on agreement between the supplier and the purchaser or in accordance with Appendix A.

6 Test methods

6.1 Linear density test Execute according to GB/T 14343. 6.2 Test of breaking strength and elongation at break Execute according to GB/T 14344. 6.3 boiling water shrinkage test Execute according to GB/T 6505. 6.4 Thermal curl elongation test Execute as specified in Appendix B. 6.5 Network degree test Execute according to FZ/T 50001 regulations. 6.6 Oil content test Execute according to GB/T 6504. 6.7 moisture regain test Execute according to GB/T 6503. 6.8 barrel weight The weight of the package is weighed by the weighing scale, electronic scale and other weighing instruments of the appropriate weighing range. After deducting the known skin quality, the net mass is For the weight of the barrel, accurate to 0.5%, and recorded. 6.9 Appearance inspection Performed in accordance with Appendix A.

7 Inspection rules

7.1 Factory inspection 7.1.1 Inspection items 7.1.1.1 Physical properties The project is tested in accordance with Table 1 and in accordance with the test methods specified in Chapter 6. 7.1.1.2 Appearance inspection items shall be inspected according to the requirements of the supplier, the purchaser or the requirements specified in Appendix A. 7.1.2 Group Approval Rules Periodic sampling is used to form an inspection lot within a certain range. A production batch can consist of one inspection lot or several inspection lots composition. 7.1.3 Sampling regulations 7.1.3.1 Physical performance The laboratory samples of the project shall be sampled according to GB/T 6502. The extracted laboratory samples should conform to the appearance The corresponding level. 7.1.3.2 Full inspection of appearance items. 7.1.4 Assessment of test results 7.1.4.1 The calculated values of each performance item are compared with the limit values of the performance item indicators in Table 1 according to GB/T 8170, and each level is evaluated. 7.1.4.2 Appearance inspection items Each package shall be assessed and recorded in accordance with 5.3. 7.1.4.3 The assessment of the comprehensive grade of the product shall be determined by the lowest grade of the physical property project and the appearance project in the inspection lot. grade. 7.2 Re-inspection rules 7.2.1 General If a batch of products arrives at the receiving party within one month, as an acceptance or an objection to the quality, the arbitration institution that has agreed to both parties may be re-inspected. recheck The result is the final result, and the re-inspection fee is borne by the responsible party. If the quantity of the batch is more than one-third, no re-inspection may be applied. Such as If the quality of the batch of products affects the quality of the post-processed products and causes serious losses, both the supplier and the buyer should analyze the reasons, clarify the responsibilities, and Dealer. Packages that have been damaged should not be taken. 7.2.2 Inspection items Same as 7.1.1. 7.2.3 Group approval Batch according to the original production batch. 7.2.4 Sampling regulations 7.2.4.1 Physical property test The laboratory sample extraction of the project shall be carried out in accordance with 7.1.3.1. 7.2.4.2 Appearance items shall be sampled. According to the batch according to the general inspection level II in Table 1 of GB/T 2828.1-2003 Sample size (word code). 7.2.5 Assessment of test results 7.2.5.1 The measured value or calculated value of the physical indicator item in Table 1 is based on the comparison method of the revised value in GB/T 8170 and the physical index of Table 1. The comparison of the limit values and the rating. 7.2.5.2 Appearance According to the sample size of 7.2.4.2, according to the normal inspection of the sampling plan AQL in Table 2-A of GB/T 2828.1-2003 The value is 4.0, the number of acceptance Ac and the number of rejections Re are determined, and the evaluation is performed according to the requirements of 5.3. When the number of unqualified packages is ≤ Ac, the original grade is determined. If the number of unqualified packages is ≥Re, it is judged as not meeting the original grade. 7.2.5.3 The assessment of the comprehensive grade of the product shall be assessed in accordance with 7.1.4.3, if it is higher than or equal to the original grade, it shall be judged as conformity, and if it is lower than the original grade, it shall be judged as not. meets the. 7.2.6 Public quality According to GB 9994, the specified moisture regain of polypropylene yarn is 0%, and the acceptance quality is calculated according to formula (1). m=m1×1 R01 R (1) In the formula. m --- batch product package quality, in kilograms (kg); M1---The net mass of the package of the batch product, in kilograms (kg); The nominal moisture regain of R0 --- polypropylene elastic yarn is 0%; R --- measured moisture regain, %. Note. The net quality refers to the quality of the bobbin minus the bobbin and wrapping paper; the silk cake deducts the quality of the sock and the small waist of the cake; the quality of the bobbin, wrapping paper, sock and silky waist The quantities are all calculated as the average of the actual mass. When the difference in the quality of the public is not more than 0.5%, no claim shall be made; if it exceeds, the actual compensation shall be exceeded. 8 Marking, packaging, transportation and storage 8.1 mark 8.1.1 The products shall be packaged according to different varieties, batch numbers, specifications, dates and grades. The products shall be marked with conspicuous colors on both sides of the package. Name, specification, grade. 8.1.2 Producer identification marks such as. manufacturer name, batch number, net quality or gross quality, number of built-in packages, production date, execution mark Standard number, detailed address. 8.1.3 The general dealer's logo such as. product name, trademark, identification mark, detailed address, etc. 8.1.4 Marks should be marked with moisture, care and ease. 8.2 Packaging 8.2.1 Each package or each package shall have a waterproof and dustproof protective layer. The package shall be fixed and unsupported in the package. The package should be protected from damage. 8.2.2 The package size in each package should be as uniform as possible. Different varieties, specifications, batch numbers and grades should be boxed separately. 8.2.3 Each batch of products shall be accompanied by a quality inspection form. 8.3 Transportation Awnings are required for transportation, and the packaging should be prevented from being damaged during transportation and the items should not be damp. 8.4 Storage The boxes should be stacked in batches, and the products should be stored in a place that is dry, clean, airy, and protected from direct sunlight. Do not stack in the open air, To prevent moisture and sun exposure.

9 other

Special varieties and users have special requirements for products (including flame retardant, antistatic, plying and non-network BCF, etc.), which are ordered by both parties. protocol.

Appendix A

(normative appendix) Appearance requirements, inspection, assessment A.1 Technical requirements A.1.1 The appearance is divided into three grades. superior, first-class and qualified. A.1.2 Appearance items and indicator values are shown in Table A.1. Table A.1 Appearance items and indicator values No. Item Excellent Item First Class Qualified Product 1 wool/(piece/cylinder) ≤ 5 10 20 2 hard head wire/(piece/tube) ≤ no no 5

3 color difference a is slightly lighter and more obvious

4 oily b no slight light

5 Forming c is good and good

a “Color difference” refers to the rating between the cylinder and the cylinder with reference to GB/T 250. “Slight” is equivalent to 4-5, “Light” is equivalent to 4, “more obvious” is equivalent Level 3-4. b "Soil" first-class product "slight", refers to light-colored fine spotted oil, its total area does not exceed 0.5cm2; qualified products "light", refers to shallow or darker oil, total The area does not exceed 1.0cm2. c “Molding” superior product “good” means that the surface of the package is flat and unwinding smoothly; the first-class product is “good”, meaning that the surface of the package is relatively flat and does not affect the unwinding; "General" means that the surface of the package has irregularities, but does not affect the unwinding. A.2 Inspection A.2.1 Inspection conditions Using 40W ordinary fluorescent lamp (or D65 high color rendering fluorescent lamp), the illumination of the working point is greater than or equal to 600lx, and the surrounding environment should have no He scatters light and reflects light. The visual distance is 0.30m~0.40m, and it is 0.20m~0.25m when testing the packaged filament. A.2.2 Equipment A.2.2.1 Illumination table. A.2.2.2 Classification station (car). A.2.3 Inspection steps A.2.3.1 Rotate one turn on the classifying device to observe the two end faces of the package and one column surface. A.2.3.2 Inspect each item to be inspected according to the requirements of A.1.2. A.2.3.3 Check that the wool is fluffed with a thread or the broken filament of the monofilament protrudes from the surface of the multifilament and is visible to the light. A.2.3.4 Check the surface oil stain to visually see the oil thread, rust wire and the difficulty of washing the stain with water, and calculate the area. A.2.3.5 Inspection Package molding refers to the winding of the wire (cake) wire layer. The package is not packaged too hard, too soft, and the three faces are uneven. And the improper position of the package, you can not test by hand when testing. A.2.3.6 The test color difference shall be based on the color difference between the package and the package, and then recorded against the gray card. A.2.3.7 Record the results. A.3 Assessment rules A.3.1 The wool finger thread is wounded with furry phenomenon or the monofilament broken silk head protrudes from the surface of the multifilament, and the entire surface of the package is inspected for each cylinder. The number of sub-accumulated hairs is determined. A.3.2 Surface oil refers to oil, rust and stains that cannot be washed away with water, or artificial spots on the surface of the package. Barrel wire table The total area of pollution on the surface is fixed. A.3.3 In the appearance inspection, all the wires of the network BCF wire without the network section are treated as external products. A.4 Comprehensive classification The lowest grade in the appearance item is the grade of the package.

Appendix B

(normative appendix) Thermal curl elongation test method B.1 Scope of application The method specifies a test for the thermal crimp elongation of polypropylene expanded filament (BCF). This method is applicable to the test of the thermal crimp elongation of polypropylene expanded filament (BCF). Other fibers can be used as reference. B.2 Principle The crimping performance of expanded filament (BCF) can be expressed by the index of thermal curl elongation. After the yarn is heat treated under specified conditions, the specified addition is used. The program is loaded and then its length is measured. According to the difference between the length of the expanded filament and the initial length of the light load The percentage of the initial length ratio is calculated to give the thermal curl elongation. B.3 Instruments B.3.1 Oven The oven has a ventilated, thermostatic function with a frame for the thread in the oven. B.3.2 Length measuring device The device mainly has a meter ruler, which measures the length of the thread under different loads with a gaze, and the measuring ruler is in millimeters. The top of the scale is fitted Clip, in a vertical position. B.3.3 Other Scissors, stopwatches, heavy hammers. B.4 sampling B.4.1 Sampling 20 wire cylinders are obtained according to GB/T 6502. B.4.2 Laboratory package samples are taken from the same batch of samples. B.5 Number of trials Test each wire once. B.6 Test conditions Laboratory samples and samples should be at a standard atmosphere of temperature (20 ± 2) ° C, relative humidity (65 ± 4)% throughout the test. Balance and operate under conditions. B.7 Sample Preparation B.7.1 In addition to the known sample line density, the bulk density of the expanded filaments is determined according to GB/T 14343. B.7.2 Selecting the cutting load. The light load is calculated according to the nominal linear density of the sample and the tension per unit linear density is 0.0018 cN/dtex. The heavy load is calculated according to the nominal linear density of the sample and the tension per unit linear density is 0.4414 cN/dtex. B.7.3 Remove at least 100m of wire from each laboratory sample before taking the sample. B.7.4 If bulk samples are to be taken, more than one sample shall be taken on the same package. The spacing between the samples shall be at least 5 m. B.7.5 After cutting the sample of 1200mm~1500mm length, put the middle and the ends respectively into a slip knot, and then gently twist it into a strand. B.8 Operational test process B.8.1 Turn on the oven power supply to achieve different expanded filament crimping temperature. polypropylene is specified as (100±3) °C, and nylon is specified as (120 ± 3) °C. B.8.2 Place the sample on the inner frame of the oven and heat it for 10 min in a natural crimp state. B.8.3 Remove the sample and equilibrate it for more than 2 h under standard test conditions. B.8.4 Clamp the intermediate slip of the sample after balancing on the length measuring device. B.8.5 According to different line densities, the live ends of the two ends are firstly added with light load for 30s, the measured length is 500mm, marked; Load, lasting 30s, measuring length L1. According to the change in length, two test results are calculated according to the formula (B.1). B.9 Calculation The thermal curl elongation is calculated according to formula (B.1). C=L1-L0L0 × 100% (B.1) In the formula. C --- thermal curl elongation, %; L1---the length of the expanded filament when the load is increased, in millimeters (mm); L0---The initial length of the expanded filament when lightly loaded, 500mm. The average value of the thermal curl elongation was calculated, and the result was rounded to one decimal place according to GB/T 8170. B.10 Test report Report the name, specifications and average values of the expanded filaments.

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