Microfiber imitation suede pretreatment cov tshuaj thiab cov txheej txheem

Knitted kob-hom microfiber imitation suede pretreatment cov tshuaj thiab cov txheej txheem

1 tshuaj

Soda los yog caustic dej qab zib 2-4 g / l

Desiring tus neeg sawv cev 1-2 g / l

Scouring tus neeg sawv cev 2 g / l

Cheating dispersant 0.5-1 g / l

Da dej piv 1:10

2 txheej txheem

Ntxiv rau (chelating dispersant, pob txha tawv, tus neeg ntxhib ntxoo, dej qab tshauv los yog caustic soda) → mus rau 5 min, cov ntaub npuag yog sib npaug hauv cov dej ua hauj lwm kom sov so rau 95-98 ° C, khaws cia rau 30 feeb → txias rau 70 ° C ° nrog 70 ° C cua sov Tom qab dej ntxuav rau 5 ~ 10 teev, muab dej los ntxuav dej kom yaug mus rau 70 ° C rau 10 teev, muab dej los ntxuav dej hauv dej kom txog 40 ° C, tshem tawm acetic acid.

33 khoom siv

Poob dyeing tshuab

Tiv tauj peb: Zhong min

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