GB/T 4802.1-2008 in English

《GB/T 4802.1-2008纺织品 织物起毛起球性能的测定 第1部分：圆轨迹法》由TC209（全国纺织品标准化技术委员会）归口，TC209SC1（全国纺织品标准化技术委员会基础标准分会）执行，主管部门为中国纺织工业联合会。
ＧＢ／Ｔ４８０２的本部分规定了采用圆轨迹法对织物表面起毛起球性能及表面变化进行测定的方法。

1 Scope
This part of GB/T 4802 specifies methods for determination of fabric propensity to surface fuzzing, to pilling and superficial alteration in circular locus method.
2 Normative References
The following standards contain provisions which, through reference in this part of GB/T 4802, constitute provisions of this part. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to this Part are encouraged to research whether the latest editions of these references are applied or not. For undated references, the latest edition of the normative document is applicable to this part.
GB/T 6529 Standard atmospheres for textiles conditioning and testing (GB/T 6529—2008, ISO 139:2005, MOD)
3 Terms and Definitions
The following terms and definitions are applicable to this Part of GB/T 4802.
3.1
Fuzzing
The obvious superficial alteration generated when the projection of fiber or extrusion of fiber end on the surface of the textile forms lint.
Note: This kind of variation may happen in the process of watering, dry cleaning, wearing or use.
3.2
Pills
The compact bulb that is formed in fiber matting, projected on the surface of textile, can't be penetrated by ray and may generate projection.
Note: The formation of pills may happen in the process of watering, dry cleaning, wearing or use.
3.3
Pilling
The process of generating pills on the surface of textile.

Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Principle
5 Instruments
6 Atmosphere for Conditioning and Testing
7 Sample Preparation
8 Test Procedures
9 Evaluation of Fuzzing and Pilling
10 Result
11 Test Report
Annex A (Informative) Verification of Instruments, Regulation of Reference Textile and Nylon Brush and Replacement of Gasket and Textile of Abrasive Material
Bibliography