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FZ/T 44004-2018: Silk bedding
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Silk bedding
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FZ/T 44004-2018
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Basic data | Standard ID | FZ/T 44004-2018 (FZ/T44004-2018) | | Description (Translated English) | Silk bedding | | Sector / Industry | Spinning & Textile Industry Standard (Recommended) | | Classification of Chinese Standard | W57 | | Word Count Estimation | 9,964 | | Date of Issue | 2018-04-30 | | Date of Implementation | 2018-09-01 | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement No. 23 of 2018 | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | | Summary | This standard specifies the terms and definitions, specifications, requirements, test methods, inspection rules, packaging and signs of silk bedding. This standard does not apply to infants and children | FZ/T 44004-2018: Silk bedding---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.
Silk bedding
ICS 97.160
W57
Textile Industry Standard of the People's Republic of China
silk bedding
Published on.2018-04-30
2018-09-01 Implementation
Published by the Ministry of Industry and Information Technology of the People's Republic of China
silk bedding
1 Scope
This standard specifies the terms and definitions, specifications, requirements, test methods, inspection rules, packaging and marking of silk bedding.
This standard applies to pure silk weaving, silk interwoven with other yarns, or blended with other fibers (silk content of 30% and above) silk weaving
Silk bedding made from fabrics, excluding blankets, cores, and mats.
This standard does not apply to infants and children's products.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 250 Textile color fastness test gray sample card for evaluating discoloration
GB/T 2910 (all parts) Quantitative chemical analysis of textiles
GB/T 2912.1 Determination of formaldehyde in textiles - Part 1.Free and hydrolyzed formaldehyde (water extraction method)
GB/T 3920 Textiles Color Fastness Test Color Fastness to Rubbing
GB/T 3921-2008 Textiles Color Fastness Test Color Fastness to Soaping
GB/T 3922 Textiles Color Fastness Test Color Fastness to Perspiration
GB/T 3923.1 Tensile properties of textile fabrics - Part 1.Determination of breaking strength and elongation at break (strip method)
GB/T 4802.2 Determination of the pilling properties of textile fabrics - Part 2.Modified Martindale method
GB/T 4841.3 Dye dyeing standard depth color card 2/1, 1/3, 1/6, 1/12, 1/25
GB/T 5296.4 Consumer Goods Instructions for Use Part 4.Textiles and Clothing
GB/T 5711 Textiles Color Fastness Test Color Fastness to Perchloroethylene Dry Cleaning
GB/T 5713 Textiles Color Fastness Test Color Fastness to Water
GB/T 6152 Textiles Color Fastness Test Color Fastness to Heat Pressure
GB/T 7573 Determination of pH value of textile water extract
GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values
GB/T 8628 Preparation, Marking and Measurement of Fabric Specimens and Garments in Tests for Determination of Dimensional Change of Textiles
GB/T 8629-2017 Domestic washing and drying procedures for textile testing
GB/T 8630 Determination of dimensional changes of textiles after washing and drying
GB/T 13772.2 Determination of Yarn Slip Resistance at Seams of Woven Textiles - Part 2.Constant Load Method
GB/T 14801 Woven and knitted fabrics - Test method for weft bias and bow weft
GB/T 17592 Determination of banned azo dyes in textiles
GB 18401 National Basic Safety Technical Specification for Textile Products
GB/T.19981.1 Professional maintenance, dry cleaning and wet cleaning of textile fabrics and garments - Part 1.Performance after cleaning and ironing
Evaluation
GB/T.19981.2 Professional maintenance, dry cleaning and wet cleaning of textile fabrics and garments - Part 2.Dry cleaning and
Procedure for performance test when ironing
GB/T 24121 Testing method for broken needle residues in textile products
GB/T 29862 Identification of textile fiber content
FZ/T 01026 Quantitative chemical analysis of textiles four-component fiber mixture
FZ/T 01057 (all parts) Textile fiber identification test method
FZ/T 60032 Quilt and Quilt Cover Specifications
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
The fabric is made of pure silk woven, silk interwoven with other yarns, or blended with other fibers (silk content of 30% and above).
Processed bedding. For example. sheets, bedspreads, quilt covers, pillowcases, cushion covers, fitted sheets, etc.
4 Specifications
The specifications of silk quilt cover are implemented in accordance with FZ/T 60032, and other products are designed and formulated according to user needs.
5 Requirements
5.1 Requirements
The requirements of silk bedding are divided into intrinsic quality, appearance quality and workmanship quality.
5.2 Assessment items
The intrinsic quality of silk bedding includes formaldehyde content, pH, odor, decomposable carcinogenic aromatic amine dyes, fiber content, breaking strength,
Cracking, pilling, dimensional change in water, dimensional change in dry cleaning, and color fastness. Appearance quality includes specification size deviation rate, weft
Oblique, flower skew, color flower, color difference and appearance defects. Workmanship quality includes pattern quality, stitch quality, quilting quality, embroidery quality and sewing quality.
5.3 rating
Silk bedding grades are divided into first-class products, first-class products, and qualified products.
5.4 Intrinsic quality
The intrinsic quality requirements of silk bedding are shown in Table 1.
6 Test methods
6.1 Internal Quality Inspection
6.1.1 Test method for formaldehyde content
Execute according to GB/T 2912.1.
6.1.2 pH test method
Execute according to GB/T 7573.
6.1.3 Odor test method
Execute according to GB 18401.
6.1.4 Decomposable carcinogenic aromatic amine dyes
Execute according to GB/T 17592.
6.1.5 Test method for fiber content
Perform according to GB/T 2910 (all parts), FZ/T 01026, FZ/T 01057 (all parts).
6.1.6 Test method for breaking strength
Execute according to GB/T 3923.1.
6.1.7 Test method for degree of cracking
Execute according to GB/T 13772.2.The width of the sample is 75mm, the load setting is 67N±1.5N, and the satin fabric is 45N±
1.0N.
6.1.8 Test method for water washing dimensional change rate
According to GB/T 8628, GB/T 8629-2017, GB/T 8630.According to Appendix B, Type A standard washing machine washing program adopts
4G. The drying method adopts A method (hanging to dry).
6.1.9 Dry cleaning dimensional change rate test method
Execute in accordance with GB/T.19981.1 and GB/T.19981.2.The program is selected according to sensitive materials, and iron is used for ironing.
6.1.10 The test method for pilling performance is implemented in GB/T 4802.2.The test classification adopts 2 types, and the number of friction is.2000r.
6.1.11 Color fastness test method
6.1.11.1 Test method for colour fastness to dry cleaning
Execute according to GB/T 5711.
6.1.11.2 Test method for color fastness to soaping
Executed according to GB/T 3921-2008, and the test conditions were selected by method A (1).
6.1.11.3 Test method for color fastness to water
Execute according to GB/T 5713.
6.1.11.4 Test method for colour fastness to perspiration
Execute according to GB/T 3922.
6.1.11.5 Test method for color fastness to rubbing
Execute according to GB/T 3920.
6.1.11.6 Color fastness to heat compression
Execute according to GB/T 6152.Using the tidal pressure method, the temperature is 110 ℃.
6.2 Appearance quality and process quality inspection
6.2.1 Determination of standard size deviation rate
Spread the product evenly on the inspection table, smooth out the wrinkles, and make the product in a natural flat state. Use a steel tape measure or steel ruler with a division value of 1mm.
Measure at 1/4 and 3/4 of the length and width of the whole product, accurate to 1mm. Arithmetic mean of results measured in length and width
As the measured value of product specification and size, the deviation rate is calculated according to formula (1), and the calculation result is rounded to one decimal place according to GB/T 8170.
P=
L1-L0
L0 ×
100% (1)
where.
P --- specification size deviation rate;
L1---Measured value of product specifications and dimensions, in centimeters (cm);
L0---The stated value of product specification size, the unit is centimeter (cm).
6.2.2 Weft skew and flower skew test methods
Execute according to GB/T 14801.
6.2.3 Color difference and color pattern inspection method
Use D65 standard light source or natural light in the north direction, the illuminance is not less than 600lx, the measured part of the sample should be consistent in the latitude and longitude, the incident light and the sample
The surface is at an angle of about 45°, the inspector's line of sight is roughly perpendicular to the surface of the sample, and the distance is about 60cm.
Color swatch card comparison rating.
6.2.4 Appearance defects and process quality inspection
Appearance defects and process quality inspection should be carried out under natural northern light or fluorescent lamps. The surface illumination of the inspection table is not less than 600lx, and the illumination
Evenly, the inspector's eye is about 60cm away from the product, and the inspector inspects the product with eyes and feel.
6.2.5 Detection methods for metal needles and broken needles
Execute according to GB/T 24121.
7 Inspection Rules
7.1 Inspection classification
7.1.1 The inspection category is divided into two types. factory inspection and type inspection.
7.1.2 The factory inspection items include tolerance of fiber content, breaking strength, degree of cracking, dimensional change rate in washing, color fastness,
pH, odor, broken metal needle, appearance quality and workmanship quality.
7.1.3 Type inspection items are all the items specified in Chapter 5.
7.2 Batching
The products of the same variety, the same raw material composition, and the same production process are regarded as an inspection batch.
7.3 Sampling
7.3.1 Intrinsic Quality Sampling
One (set) of products is randomly selected from the inspection lot, if it is a set of products, one product is randomly selected from the set (must meet the requirements in Table 1).
products in various test dosages).
7.3.2 Sampling for appearance quality and workmanship quality inspection
See Table 4 for the sampling plan for appearance quality and workmanship quality inspection.
7.3.3 The inspection samples are randomly selected from the inspection lot.
7.4 Judgment of inspection results
7.4.1 Single product quality rating
The internal quality, appearance quality and process quality of a single product are rated according to the lowest item in Table 1, Table 2 and Table 3 respectively, and the comprehensive quality is rated according to the internal quality.
The lowest rating in quality, appearance and workmanship.
7.4.2 Quality rating of supporting products
The grades of the single products in the supporting products should be the same, if they are different, the grades should be the lowest grade among the single products.
Note. Ancillary products refer to the combination of 2 types (pieces) or more of bedding and have a unified independent packaging.
7.4.3 Quality determination of batch products
7.4.3.1 Internal quality If the inspection results of all items meet the requirements of Table 1, the internal quality of the inspection batch is determined to be qualified, otherwise it is unqualified.
7.4.3.2 Judgment of appearance quality and process quality shall be carried out according to sampling inspection table 4.If the number of unqualified is less than or equal to the number of qualified judgment Ac, then the judgment
If the number of unqualified items is greater than or equal to the number of unqualified judgments Re, the inspection lot is judged to be unqualified.
7.4.3.3 If the internal quality, appearance quality and process quality of the batch products are all qualified, the inspection batch is judged to be qualified; otherwise, the inspection is judged to be qualified
Batch failed.
8 Logo and Packaging
8.1 Logo
The instructions for use of the product shall comply with the provisions of GB/T 5296.4.If the raw materials of the fabrics used in the unit products of the kit products are different, the standard
Standards should be marked separately.
8.2 Packaging
Each set of products should be individually packaged, and ensure that the products are completely packaged during storage and transportation, and are not stained or damp.
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