These are synthetic substitute for vegetable tanning agents. Use of syntans or synthetic tanning agents in retanning of wet blue leather help to modify the physical properties of leather with respect to its strength, softness, fullness, weather resistance, dye penetration, levelness and brilliance of dye shades

These are synthetic substitute for vegetable tanning agents. Use of syntans or synthetic tanning agents in retanning of wet blue leather help to modify the physical properties of leather with respect to its strength, softness, fullness, weather resistance, dye penetration, levelness and brilliance of dye shades