Views: 3 Author: Site Editor Publish Time: 2022-11-21 Origin: Site Inquire
Cold water beating: warm water (<50°C = stir well, dilute and filter before adding to the dye vat for use.
① Add glacial acid first (add after dilution) to adjust the pH value (measure with pH test paper).
② Add dissolved leveling agent and dispersant.
③ Finally, add the well-dispersed dye.
Namely: glacial acid → dispersant (leveling agent) → dye
Pay attention to the problem:
Check whether the filter screen of the feeding bucket is in good condition before feeding.