Haematoxylin is the main part of the logwood color. We can see black-brown powder , pasty or liquid. It is absolute a natural pigment abstracted from the core of Haematoxylon campechianum by modern biotechnology as black-brown coloring.
Package: cardboard drums, with double aseptic food poly bags inside, 25kgs per drum. Or by Aluminum foil drums, with vacual aseptic food poly bags inside, 0.5-5kgs per packet.