Technical Information Rockytan RHP
Retanning
Syntans & Auxiliaries

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Rockytan RHP is a light fast chromium-containing condensation product of phenolic sulphonic acids.
Rockytan RHP 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 briliant, intense shades.
Properties
Appearance                            Fine light greenish powder
Nature                                     Condensation of phenolic sulphonic acids
Chromium oxide(Cr2O3)     Min. 12 %
PH(1:10 solution)                  2.2 - 3.1
Safety                                       For more information refer to MSDS
Storage Conditions              Store in a cool, dry, well-ventilated area (15-25°C), out of direct sunlight.
Packing                                  25 Kgs PE bags
Application & Recommendation

Retanning with Rockytan RHP 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 dyeability.
Rockytan RHP is a chrome syntan complex used for leathers, where the chrome character has to be conserved. Leathers retanned with Rockytan RHP have the following properties:
-bright color
-excellent light fastness
-full, deep and brilliant shades are obtained with anioic dyes
-smooth grain
-high tear strength with high shrinkage temperature
-high full filling and round handle


General:       1-3% prior to neutralization (based on shaved weight).

Pretanning:  1-2% after pickling (based on pelt weight)
                        in the same bath.
Note
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.


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