Direct Black 38 / Direct Black EX
C.I. 30235
CAS NO.: 1937-37-7
Molecular formula: C34H25N9Na2O7S2
Packed in 25kgs Iron Drum
Used for dyeing cotton, silk, ink wood etc,as one material for black ink.
[video width="1280" height="720" mp4="https://www.pldyes.com/uploads/8f644352.mp4"][/video]
Direct Black 38 High Quality Supplier
Direct Black 38 Direct Black EX for Cotton Leather Silk Wood excellent for Ink Application Related Video:
