Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces FZ/T 61001-2006 Wool and wool blended blanket. In addition to editorial changes, the following main technical changes have been made with respect to FZ/T 61001-2006:
——the scope of standard is modified;
——the normative references are modified;
——the safety performance requirements of products for infants and children are added;
——the product grading is modified to superior products, first-grade products and acceptable products;
——the fiber content is assessed according to GB/T 29862;
——the requirements of ether-soluble matter assessment for polyester-containing products;
——the unrecoverable elongation is modified to non-recoverable extension;
——the assessment indexes of fiber falling off volume for first-grade products are added;
——the assessment indexes of fiber falling off volume for Raschel blanket are added;
——the color fastness to water washing was changed to color fastness to washing, and the assessment index thereof is adjusted;
——the color fastness to water, color fastness to perspiration, color fastness to dry cleaning and dimensional change rate by dry cleaning are added;
——the footnotes in Table 1 are added;
——the assessment method of physical quality is modified;
——the acceptance indexes of length deviation rate and width deviation rate are adjusted;
——the appearance defect index is adjusted;
——the breaking strength test method is modified to be implemented according to FZ/T 60007;
——the requirements of comprehensive judgment are modified;
——the relevant requirements of packaging and marking are modified;
——Annex B is deleted.
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of Subcommittee on Wool Textiles of the National Technical Committee on Textiles of Standardization Administration of China (SAC/TC 209/SC 3).
The previous editions of this standard are as follows:
——FJ 487-1981;
——FZ/T 61001-1991 and FZ/T 61001-2006.
Pure wool and wool blended blanket
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of pure wool and wool blended blanket.
This standard is applicable to woven and Raschel blankets with weft yarn or surface yarn made of pure wool and such yarns made of wool (with the content of 50% or above) blended with other fibers. Blankets with wool content less than 50% and containing special animal fibers (such as cashmere, camel hair and yak wool) may also be implemented by reference to this standard.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
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 - Tests for color fastness - Color fastness to perspiration
GB/T 4841.3 Colour cards of standard depths for dyeing with dyestuffs 2/1, 1/3, 1/6, 1/12, 1/25
GB/T 5296.4 Instructions for use of products of consumer interest - Part 4: Textiles and apparel
GB/T 5711 Textiles - Tests for colour fastness - Colour fastness to dry cleaning using perchloroethylene solvent
GB/T 571.3 Textiles - Tests for color fastness - Color fastness to water
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 8427-2008 Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc fading lamp test
GB/T 8628 Textiles - Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional change
GB/T 8629-2017 Textiles - Domestic washing and drying procedures for textile testing
GB/T 8630 Textiles - Determination of dimensional change in washing and drying
GB/T 12490-2014 Textiles -Tests for colour fastness - Colour fastness to domestic and commercial laundering
GB/T 16988 Quantitative determination for mixtures of special animal fiber and wool
GB 18401 National general safety technical code for textile products
GB/T 19981.2 Textiles - Professional care, dry cleaning and wet cleaning of fabrics and garments - Part 2: Procedure for testing performance when cleaning and finishing using tetrachloroethene
GB/T 29862 Textiles - Identification of fiber content
GB 31701 Safety technical code for infants and children textile products
FZ/T 01026 Textiles - Quantitative chemical analysis - Mulitinary fiber mixtures
FZ/T 01057
(All parts) Test method for identification of textile fibers
FZ/T 20018 Determination of dichloromethane-soluble matter in wool textiles
FZ 60007 Test method of blanket
FZ/T 60008 Test method for non-recoverable extension of blanket
FZ/T 60029-1999 Test method for fiber fall off from wool blanket
3 Technical requirements
3.1 Safety performance requirements
The basic safety technical requirements of products shall meet the requirements of GB 18401. The basic safety technical requirements of products for infants and children shall meet the relevant requirements of GB 31701.
3.2 Grading requirements
3.2.1 Products are classified into superior products, first-grade products and acceptable products.
3.2.2 The product quality is graded based on both inherent quality and appearance quality, and is determined by the lower one.
3.2.3 Inherent quality is graded by batch while appearance quality by piece.
3.3 Quality requirements
3.3.1 Overview
Quality requirements consist of requirements for inherent quality and those for appearance quality. Inherent quality includes physical indexes and color fastness, while appearance quality includes physical quality, specification and dimension and appearance defects.
3.3.2 Inherent quality grading
Inherent quality includes physical indexes and color fastness, which are graded according to Table 1.
Table 1 Physical and color fastness items and indexes
Assessment item Superior product First-grade quality Acceptable product
Fiber content a/% Implement according to GB/T 29862
Weight deviation rate of each piece/% -3.0~+4.0 ≥-5.0 ≥-8.0
Breaking strength b/N ≥ 150 120
Non-recoverable extension c/% ≤ 10 —
Fiber falling off volume b/(mg/100cm2) ≤ Splay mark blanket 15 24 —
Suede blanket 23 34 —
Raschel blanket 10 17 —
Dichloromethane-soluble matter d/% ≤ 1.5 2.0 2.5
Dimensional change rate/% ≥ Washing e -2.0 -4.0 -5.0
Dry cleaning f -5.0
Color fastness ≥ Fastness to light g/grade Dark color 4 4 3
Light color 3 3 3
Fastness to washing e/grade Discoloration 4 3-4 3
Staining 4 3 3
Fastness to dry cleaning f/grade Discoloration 4 4 3-4
Staining 4 3-4 3-4
Fastness to water/grade Discoloration 4 4 3
Staining 4 3-4 3
Fastness to perspiration/grade Discoloration 4 3-4 3
Staining 4 3-4 3
Fastness to rubbing g/grade Dry rubbing 4 3-4 3
Wet rubbing 3-4 3 2-3
a Warp and weft yarns or base cloth and surface yarn may be marked separately.
b Blankets with mass area ratio less than 600g/m2 will not be assessed.
c If the specimen is broken when subjected to a load of less than 98N, the specimen is considered as rejected; Raschel blankets are not assessed.
d Only the wool-containing part is assessed.
e Only washable products are assessed.
f Only dry-cleaning products are assessed.
g The dark color index of first-grade Raschel blanket product is degraded by half; according to GB/T 4841.3, >1/12 standard depth is regarded as dark color while ≤1/12 standard depth is light color.
3.3.3 Grading for appearance quality
3.3.3.1 Physical quality
Physical quality refers to the surfaces and hand feeling of blankets, which are assessed according to the sealed samples confirmed by the supplier and the purchaser or those produced by the manufacturer. Products complying with sealed samples are regarded as acceptable.
3.3.3.2 Specifications, dimensions and appearance defects
The specifications, dimensions and appearance defects shall be assessed according to the requirements of Table 2.
Table 2 Assessment items and indexes for specifications, dimensions and appearance defects
Assessment item Superior product First-grade quality Acceptable product
Length deviation rate/% -2.0~+3.0 ≥-2.5 ≥-5.0
Width deviation rate/% -2.0~+2.0 ≥-2.0 ≥-4.0
Appearance defects Break-out marks, patch marks, float loops and holes Not permitted Not permitted Not permitted
Missing yarn Not permitted Not permitted 1 defect
Yarn defects (oil yarn, color yarn, yarn drag, uneven yarn) Not permitted Invisible Two visible defects or less or one significant defect
Wrong pattern, color tone, strip, crease, translucent color (cross color), partial bottom exposure, poor corners, poor edges, poor cutting, poor printing and patterning, weft bar and cycle difference Not permitted Invisible Invisible
Spots Not permitted Invisible Visible spot within 4cm or significant spot within 1cm
Appearance defects Poor ironing, poor brushing and poor fluffing Not permitted Invisible Invisible
Uneven length and width ≤2.0% ≤2.0% ≤3.0%
Partial narrowness Not permitted Widthwise penetration: ≤1cm Widthwise penetration: ≤2 cm
Grid path skewness ≤2cm ≤3cm ≤5cm
Note 1: See Annex A for appearance defects.
Note 2: Description of defect degree:
——invisible: refers to that the defect is relatively vague, can be seen faintly by the inspector, while not easily found by common consumers;
——visible: refers to that the defect itself has clear boundary and can be directly seen;
——significant: refers to that the defect itself is very striking and affects the use and appearance.
Note 3: For the appearance defects, in case of defects other than those specified above, they may be treated as appropriate according to their influence on use by reference to similar requirements.
4 Test methods
4.1 Safety inspection
Implement according to the items and test methods specified in GB 18401 and GB 31701.
4.2 Inherent quality inspection
4.2.1 Fiber content test
Implement according to GB/T 2910 (all parts), GB/T 16988, FZ/T 01026, FZ/T 01057 (all parts), etc.
4.2.2 Test for weight deviation rate of each piece
Implement according to FZ/T 60007.
4.2.3 Breaking strength test
Implement according to FZ/T 60007.
4.2.4 Test for non-recoverable extension
Implement according to FZ/T 60008.
4.2.5 Test for fiber falling off volume
Implement on both sides according to FZ/T 60029-1999.
4.2.6 Test for dichloromethane-soluble matter
Implement according to FZ/T 20018.
4.2.7 Test for dimensional change rate by water washing
Implement according to GB/T 8628, GB/T 8629-2017 and GB/T 8630; specimen dimension: 500mm×400mm (L×W); laundering procedure: 1×4G; drying procedure: C——dry flat.
4.2.8 Test for dimensional change rate by dry cleaning
Implement according to GB/T 8628 and GB/T 19981.2; specimen dimension: 500mm×400mm (L×W); washing: washing for three times by common dry cleaning procedure without ironing.
Foreword i
1 Scope
2 Normative references
3 Technical requirements
4 Test methods
5 Inspection rules
6 Packaging and marking
7 Other requirements
Annex A (Normative) Appearance defects and methods for measurement and counting
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces FZ/T 61001-2006 Wool and wool blended blanket. In addition to editorial changes, the following main technical changes have been made with respect to FZ/T 61001-2006:
——the scope of standard is modified;
——the normative references are modified;
——the safety performance requirements of products for infants and children are added;
——the product grading is modified to superior products, first-grade products and acceptable products;
——the fiber content is assessed according to GB/T 29862;
——the requirements of ether-soluble matter assessment for polyester-containing products;
——the unrecoverable elongation is modified to non-recoverable extension;
——the assessment indexes of fiber falling off volume for first-grade products are added;
——the assessment indexes of fiber falling off volume for Raschel blanket are added;
——the color fastness to water washing was changed to color fastness to washing, and the assessment index thereof is adjusted;
——the color fastness to water, color fastness to perspiration, color fastness to dry cleaning and dimensional change rate by dry cleaning are added;
——the footnotes in Table 1 are added;
——the assessment method of physical quality is modified;
——the acceptance indexes of length deviation rate and width deviation rate are adjusted;
——the appearance defect index is adjusted;
——the breaking strength test method is modified to be implemented according to FZ/T 60007;
——the requirements of comprehensive judgment are modified;
——the relevant requirements of packaging and marking are modified;
——Annex B is deleted.
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of Subcommittee on Wool Textiles of the National Technical Committee on Textiles of Standardization Administration of China (SAC/TC 209/SC 3).
The previous editions of this standard are as follows:
——FJ 487-1981;
——FZ/T 61001-1991 and FZ/T 61001-2006.
Pure wool and wool blended blanket
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of pure wool and wool blended blanket.
This standard is applicable to woven and Raschel blankets with weft yarn or surface yarn made of pure wool and such yarns made of wool (with the content of 50% or above) blended with other fibers. Blankets with wool content less than 50% and containing special animal fibers (such as cashmere, camel hair and yak wool) may also be implemented by reference to this standard.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
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 - Tests for color fastness - Color fastness to perspiration
GB/T 4841.3 Colour cards of standard depths for dyeing with dyestuffs 2/1, 1/3, 1/6, 1/12, 1/25
GB/T 5296.4 Instructions for use of products of consumer interest - Part 4: Textiles and apparel
GB/T 5711 Textiles - Tests for colour fastness - Colour fastness to dry cleaning using perchloroethylene solvent
GB/T 571.3 Textiles - Tests for color fastness - Color fastness to water
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 8427-2008 Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc fading lamp test
GB/T 8628 Textiles - Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional change
GB/T 8629-2017 Textiles - Domestic washing and drying procedures for textile testing
GB/T 8630 Textiles - Determination of dimensional change in washing and drying
GB/T 12490-2014 Textiles -Tests for colour fastness - Colour fastness to domestic and commercial laundering
GB/T 16988 Quantitative determination for mixtures of special animal fiber and wool
GB 18401 National general safety technical code for textile products
GB/T 19981.2 Textiles - Professional care, dry cleaning and wet cleaning of fabrics and garments - Part 2: Procedure for testing performance when cleaning and finishing using tetrachloroethene
GB/T 29862 Textiles - Identification of fiber content
GB 31701 Safety technical code for infants and children textile products
FZ/T 01026 Textiles - Quantitative chemical analysis - Mulitinary fiber mixtures
FZ/T 01057
(All parts) Test method for identification of textile fibers
FZ/T 20018 Determination of dichloromethane-soluble matter in wool textiles
FZ 60007 Test method of blanket
FZ/T 60008 Test method for non-recoverable extension of blanket
FZ/T 60029-1999 Test method for fiber fall off from wool blanket
3 Technical requirements
3.1 Safety performance requirements
The basic safety technical requirements of products shall meet the requirements of GB 18401. The basic safety technical requirements of products for infants and children shall meet the relevant requirements of GB 31701.
3.2 Grading requirements
3.2.1 Products are classified into superior products, first-grade products and acceptable products.
3.2.2 The product quality is graded based on both inherent quality and appearance quality, and is determined by the lower one.
3.2.3 Inherent quality is graded by batch while appearance quality by piece.
3.3 Quality requirements
3.3.1 Overview
Quality requirements consist of requirements for inherent quality and those for appearance quality. Inherent quality includes physical indexes and color fastness, while appearance quality includes physical quality, specification and dimension and appearance defects.
3.3.2 Inherent quality grading
Inherent quality includes physical indexes and color fastness, which are graded according to Table 1.
Table 1 Physical and color fastness items and indexes
Assessment item Superior product First-grade quality Acceptable product
Fiber content a/% Implement according to GB/T 29862
Weight deviation rate of each piece/% -3.0~+4.0 ≥-5.0 ≥-8.0
Breaking strength b/N ≥ 150 120
Non-recoverable extension c/% ≤ 10 —
Fiber falling off volume b/(mg/100cm2) ≤ Splay mark blanket 15 24 —
Suede blanket 23 34 —
Raschel blanket 10 17 —
Dichloromethane-soluble matter d/% ≤ 1.5 2.0 2.5
Dimensional change rate/% ≥ Washing e -2.0 -4.0 -5.0
Dry cleaning f -5.0
Color fastness ≥ Fastness to light g/grade Dark color 4 4 3
Light color 3 3 3
Fastness to washing e/grade Discoloration 4 3-4 3
Staining 4 3 3
Fastness to dry cleaning f/grade Discoloration 4 4 3-4
Staining 4 3-4 3-4
Fastness to water/grade Discoloration 4 4 3
Staining 4 3-4 3
Fastness to perspiration/grade Discoloration 4 3-4 3
Staining 4 3-4 3
Fastness to rubbing g/grade Dry rubbing 4 3-4 3
Wet rubbing 3-4 3 2-3
a Warp and weft yarns or base cloth and surface yarn may be marked separately.
b Blankets with mass area ratio less than 600g/m2 will not be assessed.
c If the specimen is broken when subjected to a load of less than 98N, the specimen is considered as rejected; Raschel blankets are not assessed.
d Only the wool-containing part is assessed.
e Only washable products are assessed.
f Only dry-cleaning products are assessed.
g The dark color index of first-grade Raschel blanket product is degraded by half; according to GB/T 4841.3, >1/12 standard depth is regarded as dark color while ≤1/12 standard depth is light color.
3.3.3 Grading for appearance quality
3.3.3.1 Physical quality
Physical quality refers to the surfaces and hand feeling of blankets, which are assessed according to the sealed samples confirmed by the supplier and the purchaser or those produced by the manufacturer. Products complying with sealed samples are regarded as acceptable.
3.3.3.2 Specifications, dimensions and appearance defects
The specifications, dimensions and appearance defects shall be assessed according to the requirements of Table 2.
Table 2 Assessment items and indexes for specifications, dimensions and appearance defects
Assessment item Superior product First-grade quality Acceptable product
Length deviation rate/% -2.0~+3.0 ≥-2.5 ≥-5.0
Width deviation rate/% -2.0~+2.0 ≥-2.0 ≥-4.0
Appearance defects Break-out marks, patch marks, float loops and holes Not permitted Not permitted Not permitted
Missing yarn Not permitted Not permitted 1 defect
Yarn defects (oil yarn, color yarn, yarn drag, uneven yarn) Not permitted Invisible Two visible defects or less or one significant defect
Wrong pattern, color tone, strip, crease, translucent color (cross color), partial bottom exposure, poor corners, poor edges, poor cutting, poor printing and patterning, weft bar and cycle difference Not permitted Invisible Invisible
Spots Not permitted Invisible Visible spot within 4cm or significant spot within 1cm
Appearance defects Poor ironing, poor brushing and poor fluffing Not permitted Invisible Invisible
Uneven length and width ≤2.0% ≤2.0% ≤3.0%
Partial narrowness Not permitted Widthwise penetration: ≤1cm Widthwise penetration: ≤2 cm
Grid path skewness ≤2cm ≤3cm ≤5cm
Note 1: See Annex A for appearance defects.
Note 2: Description of defect degree:
——invisible: refers to that the defect is relatively vague, can be seen faintly by the inspector, while not easily found by common consumers;
——visible: refers to that the defect itself has clear boundary and can be directly seen;
——significant: refers to that the defect itself is very striking and affects the use and appearance.
Note 3: For the appearance defects, in case of defects other than those specified above, they may be treated as appropriate according to their influence on use by reference to similar requirements.
4 Test methods
4.1 Safety inspection
Implement according to the items and test methods specified in GB 18401 and GB 31701.
4.2 Inherent quality inspection
4.2.1 Fiber content test
Implement according to GB/T 2910 (all parts), GB/T 16988, FZ/T 01026, FZ/T 01057 (all parts), etc.
4.2.2 Test for weight deviation rate of each piece
Implement according to FZ/T 60007.
4.2.3 Breaking strength test
Implement according to FZ/T 60007.
4.2.4 Test for non-recoverable extension
Implement according to FZ/T 60008.
4.2.5 Test for fiber falling off volume
Implement on both sides according to FZ/T 60029-1999.
4.2.6 Test for dichloromethane-soluble matter
Implement according to FZ/T 20018.
4.2.7 Test for dimensional change rate by water washing
Implement according to GB/T 8628, GB/T 8629-2017 and GB/T 8630; specimen dimension: 500mm×400mm (L×W); laundering procedure: 1×4G; drying procedure: C——dry flat.
4.2.8 Test for dimensional change rate by dry cleaning
Implement according to GB/T 8628 and GB/T 19981.2; specimen dimension: 500mm×400mm (L×W); washing: washing for three times by common dry cleaning procedure without ironing.
Contents of FZ/T 61001-2019
Foreword i
1 Scope
2 Normative references
3 Technical requirements
4 Test methods
5 Inspection rules
6 Packaging and marking
7 Other requirements
Annex A (Normative) Appearance defects and methods for measurement and counting
