Rockytan RE-540
September 25, 2016
September 25, 2016
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ROCKYTAN NLB i s a synthetic retanning agent which based on is copolymer of melamine and sulphited phenol.
It is suitable to use in retanning process before and after fatliqouring.

Application & Recommendation:

  • Proper for both hides and skins
  • High light resistance
  • No effect on color shades in drum
  • Finished leather is completely soft with goof filling touch
  • It increases the field up to 5-11 % (Depends on the thickness of wet blue or crust)
  • It can be used before and after fatliquoring in tanning and retanning phase
  • We recommend Rockytan NLB in white crusts, other light color crusts and dark color, because it makes no problem in the different types of the color shades.
  • Tanners may avoid all the problems by adjusting PH carefully in order to make a high quality finished leather.


According to our best knowledge and technical experiments, the above data is true and accurate. Regarding to variety of consumption procedures, it is recommended to evaluate the information before use.


White powder

Chemical Nature:

Melamine & Phenol Copolymer

PH(1:10 solution) :

4 ± 0.5


500 kg/m3

Storage Conditions:

Store in a cool, dry, well-ventilated area, out of direct sunlight.


25 KG PE bags


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