Rockytan RHN

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Rockytan RHN

Rockytan RHN is a light fast chromium-containing condensation product of phenolic sulphonic acids.

Application & Recommendation:

Rockytan RHN has a very low astringency, thus it imparts a grain smoothness and fineness. As it has good stability to electrolytes, thus it is suitable for all procedures. It promotes brilliant, intense shades. Retanning with Rockytan RHN completes the chrome tanning, so different wet blues can be largely normalized. Also it can be used in pretanning and tanning, so gives a good handle and outstanding dye ability.

General: 1-3 % prior to neutralization (based on shaved weight).
Pretanning: 1-2% after pickling (based on pelt weight) in the same bath.


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.


Fine green-white powder


Condensation of phenolic sulphonic acids

Chromium oxide(Cr2O3):

Min. 12 %

PH(1:10 solution) :

2.2 – 3.1


For more information refer to MSDS

Storage Conditions:

Store in a cool, dry, well-ventilated area (15-25°C), out of direct sunlight.


25 Kgs PE bags


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