自basifying铬

PC-9811B is a self-basifying chrome with masking agent. This agent is in a liquid form that has many constituents, even distribution in the molecular sizes and charges. PC-9811B has self-basifying ability as well as a good buffering property. Chrome can be absorbed and has certain combination ability with leather fibers, but less in the waste water. PC-9811B gives wet blue leather light color, smooth and full grain with fine elasticity. PC-9811B is suitable for all kinds of tanning and re-tanning for leather.