FZ/T 73018-2021 English PDF (FZT73018-2021)
FZ/T 73018-2021 English PDF (FZT73018-2021)
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FZ/T 73018-2021: Wool knitting goods
FZ/T 73018-2021
FZ
TEXTILE INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.30
W 63
Replacing FZ/T 73018-2012
Wool knitting goods
毛纺织品
ISSUED ON: APRIL 19, 2021
IMPLEMENTED ON: JULY 01, 2021
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 9
4 Product classification ... 10
5 Technical requirements ... 10
6 Test method ... 16
7 Inspection rules ... 23
8 Acceptance rules ... 25
9 Packaging and marking ... 25
10 Others ... 26
Appendix A (Normative) Description of appearance defects ... 27
Wool knitting goods
1 Scope
This document specifies the terms and definitions, product classification,
technical requirements, test methods, inspection rules, acceptance rules,
packaging and marking, of wool knitting goods.
This document is applicable to the identification of fine and carded pure sheep
wool knitting goods, blended knitting goods with a sheep wool content of 30%
and above, the quality of products which are made of the above knitted fabrics
as the main fabric and other fabrics. Other animal wool fiber products can also
make reference to this document.
This document does not apply to wool knitting products for infant aged 36
months and below.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 250 Textiles - Tests for color fastness - Grey scale for assessing
change in color
GB/T 1335 (all parts) Standard sizing systems for garments
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1:
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 2910 (all parts) Textiles - Quantitative chemical analysis
GB/T 3920 Textiles - Tests for color fastness - Color fastness to rubbing
GB/T 3922 Textiles - Testing method for color fastness to perspiration
GB/T 4802.3 Textiles - Determination of fabric propensity to surface fuzzing
and to pilling - Part 3: Pilling box method
GB/T 4841.3 Color cards of standard depths for dyeing with dyestuffs 2/1,
1/3, 1/6, 1/12, 1/25
GB/T 31713 Hygienic requirement for safety of antibacterial textiles
GB/T 38015 Textiles - Quantitative chemical analysis - Mixtures of elastane
and certain other fibers
FZ/T 01026 Textiles - Quantitative chemical analysis - Multi-component fiber
mixtures
FZ/T 01057 (all parts) Test method for identification of textile fibers
FZ/T 01101 Textile test method - Fiber content - Quantitative physical
analysis
FZ/T 01112 Textiles - quantitative chemical analysis - Mixture of silk and wool
or/and cashmere (formic acid / zinc chloride process)
FZ/T 20011-2006 Test method for determining the angle of spirality in knitted
wool garments
FZ/T 20018 Determination of dichloromethane-soluble matter in wool textiles
FZ/T 20031 Test method for seam elongation of wool knitted goods
FZ/T 20032 Test method for neck opening stretchability of wool knitted goods
FZ/T 30003 Method for quantitative analysis of ramie (flax hemp) cotton
blended textile - Micro projection
FZ/T 70008 Test method for cover factor of wool knitted fabrics
FZ/T 70009 Test method for relaxation dimensional change and felting
dimensional change to washing of wool textiles
GSB 16-2922 Standard sample photo of pilling of carded wool knitting goods
GSB 16-2923 Standard sample photo of pilling of combed wool knitting
goods
IWTO-66 Test method for the skin comfort of finished wool fabrics
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Boiled wool knitting goods
The wool knitting goods, for which a special felting process is carried out, in
order to achieve the structural density, which is required by the design.
4 Product classification
4.1 Divided by types:
- Cardigans, pullovers, vests;
- Pants, skirts;
- Coats, suits;
- Shirts;
- Underwear;
- Socks;
- Small pieces of clothing (including hats, scarves, gloves, etc.);
- Spliced clothing.
4.2 Divided by washing method:
- Dry cleaning;
- Hand washing with care;
- Machine washable.
5 Technical requirements
5.1 Safety requirements
The basic safety technical requirements for wool knitting goods shall meet the
requirements of GB 18401. The basic safety technical requirements for
children's products shall meet the requirements of GB 31701.
5.2 Grading requirements
5.2.1 Wool knitting goods products are divided into high-quality products, first-
grade products, qualified products.
5.2.2 The quality grade of wool knitting goods shall be comprehensively
assessed by the intrinsic quality and appearance quality, wherein the lowest
grade shall be used for grading.
6 Test method
6.1 Inspection of safety requirements
It is performed according to the items and test methods specified in GB 18401.
Children's products are implemented in accordance with the items and test
methods, which are specified in GB 31701.
6.2 Inspection of internal quality
6.2.1 Test of fiber content
It is performed according to GB/T 2910 (all parts), GB/T 16988, GB/T 38015,
FZ/T 01026, FZ/T 01057 (all parts), FZ/T 01101, FZ/T 01112, FZ/T 30003 and
so on.
6.2.2 Test of burst strength
It is performed according to GB/T 7742.1 or GB/T 7742.2. The test area adopts
7.3 cm2 (diameter 30.5 mm). The arbitration is carried out according to GB/T
7742.1.
6.2.3 Test of knitting density coefficient
It is performed according to FZ/T 70008.
6.2.4 Pilling test
It is performed according to GB/T 4802.3. The combed product is turned 14400
r, then it is graded according to the GSB 16-2923 Standard sample photo of
pilling of combed wool knitting goods. The carded product is turned 7200 r, then
it is graded according to the GSB 16-2922 Standard sample photo of pilling of
carded wool knitting goods.
6.2.5 Torsion angle test
It is performed according to FZ/T 20011-2006. The washing program is 1 × 7A.
6.2.6 Test of dichloromethane soluble substance
It is performed according to FZ/T 20018.
6.2.7 Test of alkylphenol and alkylphenol polyoxyethylene ether
It is performed according to GB/T 23322.
6.2.8 Test of size change rate after dry cleaning
6.2.8.1 It is performed according to GB/T 19981.2. Use special sensitive
material dry-cleaning program to wash once, without ironing. The specimen is
prepared according to FZ/T 70009.
6.2.8.2 Calculate the size change rate after dry cleaning, at each pair of marked
points, in the length direction and width direction of the specimen, respectively,
according to formula (1).
Where:
L - Size change rate after dry cleaning, %;
l1 - The size after washing, in millimeters (mm);
l0 - The original size before washing, in millimeters (mm).
6.2.8.3 The final result is the average size change rate after dry cleaning, in the
length direction, AND the average size change rate after dry cleaning, in the
width direction, accurate to 0.1%. Use the "+" sign to indicate elongation, the "-
" sign to indicate contraction.
6.2.9 Test of mass deviation rate of single piece
6.2.9.1 Spread flat the several sample...
Get QUOTATION in 1-minute: Click FZ/T 73018-2021
Historical versions: FZ/T 73018-2021
Preview True-PDF (Reload/Scroll if blank)
FZ/T 73018-2021: Wool knitting goods
FZ/T 73018-2021
FZ
TEXTILE INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.30
W 63
Replacing FZ/T 73018-2012
Wool knitting goods
毛纺织品
ISSUED ON: APRIL 19, 2021
IMPLEMENTED ON: JULY 01, 2021
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 9
4 Product classification ... 10
5 Technical requirements ... 10
6 Test method ... 16
7 Inspection rules ... 23
8 Acceptance rules ... 25
9 Packaging and marking ... 25
10 Others ... 26
Appendix A (Normative) Description of appearance defects ... 27
Wool knitting goods
1 Scope
This document specifies the terms and definitions, product classification,
technical requirements, test methods, inspection rules, acceptance rules,
packaging and marking, of wool knitting goods.
This document is applicable to the identification of fine and carded pure sheep
wool knitting goods, blended knitting goods with a sheep wool content of 30%
and above, the quality of products which are made of the above knitted fabrics
as the main fabric and other fabrics. Other animal wool fiber products can also
make reference to this document.
This document does not apply to wool knitting products for infant aged 36
months and below.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 250 Textiles - Tests for color fastness - Grey scale for assessing
change in color
GB/T 1335 (all parts) Standard sizing systems for garments
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1:
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 2910 (all parts) Textiles - Quantitative chemical analysis
GB/T 3920 Textiles - Tests for color fastness - Color fastness to rubbing
GB/T 3922 Textiles - Testing method for color fastness to perspiration
GB/T 4802.3 Textiles - Determination of fabric propensity to surface fuzzing
and to pilling - Part 3: Pilling box method
GB/T 4841.3 Color cards of standard depths for dyeing with dyestuffs 2/1,
1/3, 1/6, 1/12, 1/25
GB/T 31713 Hygienic requirement for safety of antibacterial textiles
GB/T 38015 Textiles - Quantitative chemical analysis - Mixtures of elastane
and certain other fibers
FZ/T 01026 Textiles - Quantitative chemical analysis - Multi-component fiber
mixtures
FZ/T 01057 (all parts) Test method for identification of textile fibers
FZ/T 01101 Textile test method - Fiber content - Quantitative physical
analysis
FZ/T 01112 Textiles - quantitative chemical analysis - Mixture of silk and wool
or/and cashmere (formic acid / zinc chloride process)
FZ/T 20011-2006 Test method for determining the angle of spirality in knitted
wool garments
FZ/T 20018 Determination of dichloromethane-soluble matter in wool textiles
FZ/T 20031 Test method for seam elongation of wool knitted goods
FZ/T 20032 Test method for neck opening stretchability of wool knitted goods
FZ/T 30003 Method for quantitative analysis of ramie (flax hemp) cotton
blended textile - Micro projection
FZ/T 70008 Test method for cover factor of wool knitted fabrics
FZ/T 70009 Test method for relaxation dimensional change and felting
dimensional change to washing of wool textiles
GSB 16-2922 Standard sample photo of pilling of carded wool knitting goods
GSB 16-2923 Standard sample photo of pilling of combed wool knitting
goods
IWTO-66 Test method for the skin comfort of finished wool fabrics
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Boiled wool knitting goods
The wool knitting goods, for which a special felting process is carried out, in
order to achieve the structural density, which is required by the design.
4 Product classification
4.1 Divided by types:
- Cardigans, pullovers, vests;
- Pants, skirts;
- Coats, suits;
- Shirts;
- Underwear;
- Socks;
- Small pieces of clothing (including hats, scarves, gloves, etc.);
- Spliced clothing.
4.2 Divided by washing method:
- Dry cleaning;
- Hand washing with care;
- Machine washable.
5 Technical requirements
5.1 Safety requirements
The basic safety technical requirements for wool knitting goods shall meet the
requirements of GB 18401. The basic safety technical requirements for
children's products shall meet the requirements of GB 31701.
5.2 Grading requirements
5.2.1 Wool knitting goods products are divided into high-quality products, first-
grade products, qualified products.
5.2.2 The quality grade of wool knitting goods shall be comprehensively
assessed by the intrinsic quality and appearance quality, wherein the lowest
grade shall be used for grading.
6 Test method
6.1 Inspection of safety requirements
It is performed according to the items and test methods specified in GB 18401.
Children's products are implemented in accordance with the items and test
methods, which are specified in GB 31701.
6.2 Inspection of internal quality
6.2.1 Test of fiber content
It is performed according to GB/T 2910 (all parts), GB/T 16988, GB/T 38015,
FZ/T 01026, FZ/T 01057 (all parts), FZ/T 01101, FZ/T 01112, FZ/T 30003 and
so on.
6.2.2 Test of burst strength
It is performed according to GB/T 7742.1 or GB/T 7742.2. The test area adopts
7.3 cm2 (diameter 30.5 mm). The arbitration is carried out according to GB/T
7742.1.
6.2.3 Test of knitting density coefficient
It is performed according to FZ/T 70008.
6.2.4 Pilling test
It is performed according to GB/T 4802.3. The combed product is turned 14400
r, then it is graded according to the GSB 16-2923 Standard sample photo of
pilling of combed wool knitting goods. The carded product is turned 7200 r, then
it is graded according to the GSB 16-2922 Standard sample photo of pilling of
carded wool knitting goods.
6.2.5 Torsion angle test
It is performed according to FZ/T 20011-2006. The washing program is 1 × 7A.
6.2.6 Test of dichloromethane soluble substance
It is performed according to FZ/T 20018.
6.2.7 Test of alkylphenol and alkylphenol polyoxyethylene ether
It is performed according to GB/T 23322.
6.2.8 Test of size change rate after dry cleaning
6.2.8.1 It is performed according to GB/T 19981.2. Use special sensitive
material dry-cleaning program to wash once, without ironing. The specimen is
prepared according to FZ/T 70009.
6.2.8.2 Calculate the size change rate after dry cleaning, at each pair of marked
points, in the length direction and width direction of the specimen, respectively,
according to formula (1).
Where:
L - Size change rate after dry cleaning, %;
l1 - The size after washing, in millimeters (mm);
l0 - The original size before washing, in millimeters (mm).
6.2.8.3 The final result is the average size change rate after dry cleaning, in the
length direction, AND the average size change rate after dry cleaning, in the
width direction, accurate to 0.1%. Use the "+" sign to indicate elongation, the "-
" sign to indicate contraction.
6.2.9 Test of mass deviation rate of single piece
6.2.9.1 Spread flat the several sample...