Syntans

Syntans replace the activity of natural taninns in the process of tanning(replacement syntans). The function of some syntans is also to work as auxiliary reactants in pre-tanning, post-tanning and leather-colouring.

Short descriptions of activities of individual syntans:
Tansin VP Auxiliary syntan for better penetration and dispersion of vegetable tannin materials and colors
Tansin SG Replacement syntan for post-tanning white leather
Tansin UN Universal substitutive syntan for post-tanning leather
Promin F Replacement syntan for selective filling of leather
Promin O Replacement syntan for bleaching vegetable leather
Promin RFA Pitch for post-tanning chrome leather