Knitted island-type microfiber imitation suede pretreatment prescription and process
1 prescription
Soda or caustic soda 2-4 g/l
Desizing agent 1-2 g/l
Scouring agent 2 g/l
Chelating dispersant 0.5-1 g/l
Bath ratio 1:10
2 process
Adding (chelating dispersant, scouring agent, desizing agent, soda ash or caustic soda) → cycle for 5 min, the fabric is evenly distributed in the working fluid → heated to 95-98 ° C, kept for 30 min → cooled to 70 ° C → with 70 ° C heat After water is washed for 5~10min, drain → inject clean water, heat to 70°C for 10min, drain → inject clean water to 40°C, neutralize with acetic acid.
33 equipment
Overflow dyeing machine
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