Souf Nwa, Nou ka bay 2 koulè: BR 522 (Ton wouj) ak B 521 (Ton vèt), epi nou ka ajiste Ton yo ak Kalite selon kondisyon kliyan an.
Likid souf nwa BR 100%, NO CAS: 1326-82-5 yon lank nwa popilè pou DYEING kotonfil, Jeans ,Denim ak sou sa.