Bleaching and dyeing - yarn

The activity generating the emissions is bleaching and dyeing, yarn. The reference product is bleaching and dyeing, yarn. Bleached yarn has improved whiteness, removed natural coloration and remaining trace impurities from the cotton; the degree of bleaching necessary is determined by the required whiteness and absorbency. Cotton being a vegetable fibre will be bleached using an oxidizing agent, such as dilute sodium hypochlorite or dilute hydrogen. Dyeing refers to 40/2 CW count greige yarn to the dye shade 18-309. The reference product amount is 1. The cut-off classification is allocatable product. The activity type is ordinary ordinary transforming activity. Please refer to the ecoinvent documentation here for full details: https://ecoquery.ecoinvent.org/3.11/cutoff/dataset/21893/documentation.