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.
GB/T 4146 consists of the following three parts under the general title Textiles - Man-made Fibers:
——Part 1: Generic Names;
——Part 2: Terms of Products;
——Part 3: Terms of Inspection.
This is Part 2 of GB/T 4146.
This part is developed in accordance with the rules specified in GB/T 1.1-2009.
This part replaces the contents of 1.3 "general name" in GB/T 4146-1984 Textile - Terms and Terminology (Parts of Chemical Fibers) and has the following main changes with respect to 1.3 of GB/T 4146-1984:
——Clause 1.3 of the former standard is changed to Part 2 of Textiles - Man-made Fibers, the terms are increased from 39 to 93;
——According to the characteristics of man-made fiber products, the terms of man-made fiber products are specified in six categories;
——Three categories of fiber terms, i.e. bio-based fibers, intelligent fibers and recycled fibers, are added;
——Terms of functional and high performance fibers are supplemented, and the relevant terms of textured yarn are deleted.
This part was proposed by China National Textile and Apparel Council.
This part is under the jurisdiction of the Subcommittee on Basic Standards of the National Technical Committee on Textiles of the Standardization Administration of China (SAC/TC 209).
The previous edition of this standard is as follows:
——GB/T 4146-1984.
Textiles - Man-made Fibers -
Part 2: Terms of Products
1 Scope
This part of GB/T 4146 defines the terms and definitions of various man-made fiber products used for textiles or other applications.
This part is applicable to man-made fibers in fields such as production, application, business, scientific research and education.
2 Product Classification
2.1
man-made fibers; chemical fibers
fibers made by human beings, excluding natural fiber
Note: Man-made fibers are divided into regenerated fibers, synthetic fibers and inorganic fibers.
2.2
regenerated fibers
man-made fibers with natural products (cellulose, protein, etc.) as raw materials and made by spinning
2.3
synthetic fibers
man-made fibers made of polymers which are synthesized by chemical materials such as organic single units
2.4
inorganic fibers
fibers with minerals and the like as raw materials
2.5
regenerated cellulose fibers
regenerated fibers with natural cellulose as raw material and made by spinning
2.6
regenerated protein fibers
regenerated fibers with native protein as raw material and made by spinning
2.7
bio-based fibers
fibers with biomass as raw material or made of polymer containing biomass source monomers
2.8
recycled fibers
fibers which are made of waste polymer materials and waste textile materials
Note: There are chemical method and physical method according to the production process.
2.9
functional fibers
fibers with functions, given in the production process, exceeding the functions of conventional fiber
2.10
high performance fibers
fibers with outstanding physical, mechanical and thermal performances or with some special performances
2.11
intelligent fibers
fibers which are capable of perceiving the environmental changes or stimulations and giving respond to the changes or stimulations
3 General
3.1
filament
single or multiple yarn strip(s) in long continuous length. Generally, the length is expressed in km
3.2
staple fibers
short man-made fibers
3.3
industry filament
man-made fiber filament which has higher physical and mechanical performances and is used in industry filed
3.4
monofilament
continuous filament of a fiber
3.5
modified fibers
fibers obtained by improving certain performances of conventional man-made fibers by chemical or physical method
3.6
pre-oriented yarn; partially oriented yarn; POY
partially oriented chemical fiber filament made by spinning at high speed
3.7
high oriented yarn; HOY
crystal high oriented chemical fiber filament made by spinning at super speed
3.8
full drawn yarn; FDY
fully crystallized and oriented fiber filament made by one step process of spinning and stretching
3.9
textured fibers
fibers presenting bulkiness and flexibility with (or potentially with) the appearance features of crimp, spiral, loop etc.
3.10
draw textured yarn; DTY
textured fibers also referred to as drawn textured yarns, with whole or part stretching stage of chemical fiber filament carried out on the same machine platform with the deformation process. Drawn textured yarns are divided into low-elastic yarn, medium-elastic yarn, high-elastic yarn and the like according to production processes.
3.11
bulked continuous filament; BCF
fluffy filament made by spinning, stretching and deformation treatment with hot air
3.12
interlaced yarn; tangled yarn
interlaced yarns made by processing chemical fiber filament with special compressed air nozzle (interlacer)
3.13
stretch breaking fibers
staple fibers with fiber length not exceeding the specified upper limit and made by breaking or cutting tow by tow-to-top process
3.14
cotton type fibers
fibers with length about 30mm~40mm, linear density about 1.67dtex and length and thickness similar with those of cotton fiber
3.15
wool type fibers
man-made fibers with length about 70mm~150mm, linear density above 3.33dtex, and length and thickness are similar with those of natural wool
3.16
mid fibers
fibers between cotton type fibers and wool type fibers, with length about 51mm~76mm and linear density between 2.20dtex and 3.33dtex
3.17
profiled fibers
fibers with special cross section shape and made by spinning with spinneret orifice with specific geometrical shape (noncircular)
3.18
hollow fibers
fibers with tubular hollow penetrating the axial direction of fibers
3.19
hollow fibers membrane
perm selective hollow fiber with micro holes on the fiber wall and the dimension of micro pore is from nanometer to micron size
3.20
superfine fibers; microfibers
fibers with the linear density of their monofilaments less than or equal to 0.33dtex
3.21
nanofibers
fibers with their average diameters less than 100nm
3.22
bright fibers; lustrous fibers
fibers which are not subjected to dull finish by chemical or physical method during the spinning process
3.23
dull fibers
fibers which are subjected to dull finish by chemical or physical method during the spinning process
Note: Generally, titanium dioxide is adopted as delusterant. Fibers are divided into slight dull fiber, semi-dull fiber and full-dull fiber according to the added amount of titanium dioxide.
3.24
three-dimensional crimp fibers
three-dimensionally crimped fibers generated under specified conditions
3.25
short cut fibers
fibers with length less than 20mm
3.26
spun-dyed fibers
colored fiber made of spinning solution or solution with colorant by spinning
3.27
coated fibers
fibers with their surfaces fully coated with some substances
3.28
cationic-dyeable fibers
polyester fibers with cationic dyeable property
Note: The fiber made by spinning after preparing terpolymer by adding the third monomers containing sulfonic acid group during the polymerization process; or the fiber made by spinning after preparing quadripolymer by further adding other monomers with loose molecular chain structure.
3.29
composite fibers
fibers which are made by composite spinning with two or more types of polymers or the same kind of polymers with different performances
3.30
sheath-core composite fibers
composite fibers with two types of component polymer forming sheath and core separately and continuously along the longitudinal direction of fiber
3.31
side-by-side composite fibers
composite fibers placed on both sides of fiber along two types of component polymer in longitudinal direction. The interfaces of two types of components shall have certain adhesive to prevent from interfaces peeling
Foreword i
1 Scope
2 Product Classification
3 General
4 Functional Fibers
5 High Performance Fibers
6 Bio-based Fibers
7 Intelligent Fibers
8 Recycled Fibers
Chinese Index
Corresponding English Index
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.
GB/T 4146 consists of the following three parts under the general title Textiles - Man-made Fibers:
——Part 1: Generic Names;
——Part 2: Terms of Products;
——Part 3: Terms of Inspection.
This is Part 2 of GB/T 4146.
This part is developed in accordance with the rules specified in GB/T 1.1-2009.
This part replaces the contents of 1.3 "general name" in GB/T 4146-1984 Textile - Terms and Terminology (Parts of Chemical Fibers) and has the following main changes with respect to 1.3 of GB/T 4146-1984:
——Clause 1.3 of the former standard is changed to Part 2 of Textiles - Man-made Fibers, the terms are increased from 39 to 93;
——According to the characteristics of man-made fiber products, the terms of man-made fiber products are specified in six categories;
——Three categories of fiber terms, i.e. bio-based fibers, intelligent fibers and recycled fibers, are added;
——Terms of functional and high performance fibers are supplemented, and the relevant terms of textured yarn are deleted.
This part was proposed by China National Textile and Apparel Council.
This part is under the jurisdiction of the Subcommittee on Basic Standards of the National Technical Committee on Textiles of the Standardization Administration of China (SAC/TC 209).
The previous edition of this standard is as follows:
——GB/T 4146-1984.
Textiles - Man-made Fibers -
Part 2: Terms of Products
1 Scope
This part of GB/T 4146 defines the terms and definitions of various man-made fiber products used for textiles or other applications.
This part is applicable to man-made fibers in fields such as production, application, business, scientific research and education.
2 Product Classification
2.1
man-made fibers; chemical fibers
fibers made by human beings, excluding natural fiber
Note: Man-made fibers are divided into regenerated fibers, synthetic fibers and inorganic fibers.
2.2
regenerated fibers
man-made fibers with natural products (cellulose, protein, etc.) as raw materials and made by spinning
2.3
synthetic fibers
man-made fibers made of polymers which are synthesized by chemical materials such as organic single units
2.4
inorganic fibers
fibers with minerals and the like as raw materials
2.5
regenerated cellulose fibers
regenerated fibers with natural cellulose as raw material and made by spinning
2.6
regenerated protein fibers
regenerated fibers with native protein as raw material and made by spinning
2.7
bio-based fibers
fibers with biomass as raw material or made of polymer containing biomass source monomers
2.8
recycled fibers
fibers which are made of waste polymer materials and waste textile materials
Note: There are chemical method and physical method according to the production process.
2.9
functional fibers
fibers with functions, given in the production process, exceeding the functions of conventional fiber
2.10
high performance fibers
fibers with outstanding physical, mechanical and thermal performances or with some special performances
2.11
intelligent fibers
fibers which are capable of perceiving the environmental changes or stimulations and giving respond to the changes or stimulations
3 General
3.1
filament
single or multiple yarn strip(s) in long continuous length. Generally, the length is expressed in km
3.2
staple fibers
short man-made fibers
3.3
industry filament
man-made fiber filament which has higher physical and mechanical performances and is used in industry filed
3.4
monofilament
continuous filament of a fiber
3.5
modified fibers
fibers obtained by improving certain performances of conventional man-made fibers by chemical or physical method
3.6
pre-oriented yarn; partially oriented yarn; POY
partially oriented chemical fiber filament made by spinning at high speed
3.7
high oriented yarn; HOY
crystal high oriented chemical fiber filament made by spinning at super speed
3.8
full drawn yarn; FDY
fully crystallized and oriented fiber filament made by one step process of spinning and stretching
3.9
textured fibers
fibers presenting bulkiness and flexibility with (or potentially with) the appearance features of crimp, spiral, loop etc.
3.10
draw textured yarn; DTY
textured fibers also referred to as drawn textured yarns, with whole or part stretching stage of chemical fiber filament carried out on the same machine platform with the deformation process. Drawn textured yarns are divided into low-elastic yarn, medium-elastic yarn, high-elastic yarn and the like according to production processes.
3.11
bulked continuous filament; BCF
fluffy filament made by spinning, stretching and deformation treatment with hot air
3.12
interlaced yarn; tangled yarn
interlaced yarns made by processing chemical fiber filament with special compressed air nozzle (interlacer)
3.13
stretch breaking fibers
staple fibers with fiber length not exceeding the specified upper limit and made by breaking or cutting tow by tow-to-top process
3.14
cotton type fibers
fibers with length about 30mm~40mm, linear density about 1.67dtex and length and thickness similar with those of cotton fiber
3.15
wool type fibers
man-made fibers with length about 70mm~150mm, linear density above 3.33dtex, and length and thickness are similar with those of natural wool
3.16
mid fibers
fibers between cotton type fibers and wool type fibers, with length about 51mm~76mm and linear density between 2.20dtex and 3.33dtex
3.17
profiled fibers
fibers with special cross section shape and made by spinning with spinneret orifice with specific geometrical shape (noncircular)
3.18
hollow fibers
fibers with tubular hollow penetrating the axial direction of fibers
3.19
hollow fibers membrane
perm selective hollow fiber with micro holes on the fiber wall and the dimension of micro pore is from nanometer to micron size
3.20
superfine fibers; microfibers
fibers with the linear density of their monofilaments less than or equal to 0.33dtex
3.21
nanofibers
fibers with their average diameters less than 100nm
3.22
bright fibers; lustrous fibers
fibers which are not subjected to dull finish by chemical or physical method during the spinning process
3.23
dull fibers
fibers which are subjected to dull finish by chemical or physical method during the spinning process
Note: Generally, titanium dioxide is adopted as delusterant. Fibers are divided into slight dull fiber, semi-dull fiber and full-dull fiber according to the added amount of titanium dioxide.
3.24
three-dimensional crimp fibers
three-dimensionally crimped fibers generated under specified conditions
3.25
short cut fibers
fibers with length less than 20mm
3.26
spun-dyed fibers
colored fiber made of spinning solution or solution with colorant by spinning
3.27
coated fibers
fibers with their surfaces fully coated with some substances
3.28
cationic-dyeable fibers
polyester fibers with cationic dyeable property
Note: The fiber made by spinning after preparing terpolymer by adding the third monomers containing sulfonic acid group during the polymerization process; or the fiber made by spinning after preparing quadripolymer by further adding other monomers with loose molecular chain structure.
3.29
composite fibers
fibers which are made by composite spinning with two or more types of polymers or the same kind of polymers with different performances
3.30
sheath-core composite fibers
composite fibers with two types of component polymer forming sheath and core separately and continuously along the longitudinal direction of fiber
3.31
side-by-side composite fibers
composite fibers placed on both sides of fiber along two types of component polymer in longitudinal direction. The interfaces of two types of components shall have certain adhesive to prevent from interfaces peeling
Contents of GB/T 4146.2-2017
Foreword i
1 Scope
2 Product Classification
3 General
4 Functional Fibers
5 High Performance Fibers
6 Bio-based Fibers
7 Intelligent Fibers
8 Recycled Fibers
Chinese Index
Corresponding English Index
