1. Dyeing process pH value online measurement and control is a necessary measure to improve the success rate of dyeing.
2, dyeing pH control can make denim indigo dyeing to obtain "loop dyeing" effect, while saving water, electricity, steam consumption; pH value can be controlled by two-phase printing after rapid steaming, saving a lot of steam, less urea Or no urea; Dyeing dyeing Whether it is reactive dyes or direct, neutral dyes, pH control is required. Accurate pH control will increase dye uptake and fixing rate, reduce operating costs and sewage discharge load.
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