GB/T 1103.3-2005 in English

Interpretation of GB 1103.3—2005 National Standard of the People's Republic of China

Analysis of the background of standard formulation and technological evolution

GB 1103.3—2005 "Natural Colored Fine Cotton" is revised on the basis of the original local standard DB65/590-2000 in combination with industry needs and technological development. This standard mainly focuses on the unique properties of natural colored fine cotton, filling the gap in the GB 1103 series of standards in the field of colored cotton.

Comparative Analysis of Standard Frameworks

Interpretation of core clauses and implementation suggestions

1. Classification and terminology definitions

Natural colored fine-staple cotton: Refers to fine-staple cotton with natural color in the fiber itself, referred to as "colored fine-staple cotton". Its hue and saturation are key attributes, indicating the color type and intensity respectively.

2. Quality requirements and grading

Grade classification: It is divided into one to three grades, with the second grade being the standard grade. The first grade cotton requires pure and consistent color tone and few impurities; the third grade and below are out-of-grade cotton.

Implementation Suggestions

• Enterprise level: Establish a standardized sorting process and equip professional inspection equipment (such as fiber length analyzer and micronaire tester).
• Industry level: Promote standard publicity and training, and establish a unified quality assessment system.
• Policy support: Encourage local governments to set up special funds to support the upgrading of colored cotton planting and processing technology.