Rockytan NLB

Rockytan NLB is a synthetic retanning agent which is based on copolymer of melamine and sulphited phenol. It is suitable to be used in retanning process before and after fatliquoring.



Appearance White powder
Nature Melamine & Phenol Copolymer
pH (1:10 Solution) 5 ± 0.5
Solubility Soluble
Density (gr/cm3) 0.5 – 0.6
Packing 25 Kg’s PE Bags
Shelf life 24 months

Application & Recommendation

Proper for both hides and skins.

High light resistance.

No effect on color shades in drum.

Finished leather is completely soft with good feeling touch.

It can be used before and after fatliquoring in tanning and retanning phase.

We recommend that Rockytan NLB be used in white crusts or even in other light color crusts and dark color, because it does not make any problem in the different types of the color shades.

Tanners could avoid all the problems by adjusting pH carefully in order to produce a high-quality finished leather.