Rockytan RE-540

Rockytan RE-808s
September 25, 2016
September 25, 2016
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Rockytan RE-540

Rockytan RE-540 is a copolymer retanning agent based on acrylic monomers. It plays a very important role in filling of the loose bellies. Rockytan RE-540 helps to improve buffing characteristic on suede leathers also.

Application & Recommendation:

Rockytan RE-540 makes leather, very soft and full fill. Rockytan RE-540 is a very good retanning agent for all types of leather. It has also a good light fastness property in white crust. Before retannage, the leathers must be neutralized well. Due to low PH value of the product, it can be used also at the top stage for fixing other chemicals and better feel.
The dosage of consumption depends on the type of leather and varies between 1 – 4% (based on the shaved weight).

After Neutralization:
80% Water 35 °C
X% Dye 45 – 60’
1 – 4% Rockytan RE-540 30’
+ Other retanning agents

Or after fatliquoring:
1 – 2% Rockytan RE-540 30’


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.


Opaque cream viscose liquid





PH(1:10 solution) :

4 ± 1

Activity %:

40 ± 1

Moisture %:

60 ± 1


According to our best experience, it hasn’t any harmful effect on health. 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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