Replacement tannin
Properties:
Impart excellent softness, and improves the tightness of grain. It has meduim bleaching effect for chrome leather. Due to its uniform dyeing ability, suitable for pastel shade leahter.
Low astringency, has good dispersing effect, can improve other tanning agents with the uniform penetration, and maintains tight and fine grain.
Has a certain buffer effcet and medium filling ability. Used with good filling resin tanning agent, can obtain soft and full leather.
Applied for vegetable tanned leather, can accelate the penetration, dispersion and absorbsion, prevent the precipitation of tanning solution.
Main application:
Used for retanning.