Introduction to GB/T 27592-2023 Determination of Fixation Rate of Reactive Dyes in Pad-Dyeing
GB/T 27592-2023 is a national standard in China that specifies the method for determining the fixation rate of reactive dyes in pad-dyeing. Reactive dyes are widely used in textile industries due to their excellent color fastness and compatibility with various fibers. However, the fixation rate of reactive dyes plays a crucial role in determining the final color fastness and overall quality of dyed fabrics.
This standard provides a comprehensive procedure for measuring the fixation rate of reactive dyes in pad-dyeing. It outlines the necessary equipment, sample preparation, and testing conditions required to obtain accurate and reliable results. The method involves dyeing a fabric sample with a reactive dye, followed by thorough washing and drying processes to remove any unreacted dye molecules. The remaining dyestuff on the fabric is then measured using spectrophotometry, and the fixation rate is calculated based on the initial dye concentration.
GB/T 27592-2023 is applicable to both laboratory and industrial settings and is widely used by textile manufacturers, quality control laboratories, and research institutions. By following this standard, manufacturers can ensure that their reactive dyes are properly fixed onto the fabric, resulting in excellent color fastness and improved durability. Moreover, the standard helps in maintaining consistency and reliability in the dyeing process, thereby enhancing the overall quality of dyed textiles.
In conclusion, GB/T 27592-2023 is a vital standard that provides a standardized and reliable method for determining the fixation rate of reactive dyes in pad-dyeing. Its implementation ensures the production of high-quality dyed textiles with superior color fastness and durability, meeting the requirements of both domestic and international markets.
GB/T 27592-2023 history
2023GB/T 27592-2023 Determination of Pad Dyeing Fixation Rate of Reactive Dyes
2011GB/T 27592-2011 Reactive dyes.Determination of degree of fixation in pad dyeing