News

Testing “Dowell” acrylic impregnation agents for the article with impregnation.
27.05.2025
“Dowell” acrylic impregnation agents have been tested in the article with impregnation at one of the Russian tanneries. A combination of three products was tried: • «Dowellic RA 1861» - ultra-fine acrylic resin with good penetrating ability, especially for impregnation of leather, which keep softness and tightness of the leather without forming a film on the grain; easy to buff. In combination with «Dowellic RA1863» or «Dowellic RA1865», the impregnation efficiency is improved and the tendency to looseness in loose areas is eliminated;...
Testing the recipe of the article “Shoe crust” with the use of “Dowell” chemicals.
23.05.2025
In an experimental shop at one of the Belarus tanneries, a recipe has been tested for obtaining the article "Shoe Crust" in thickness of 2.0 - 2.2 mm using “Dowell” chemicals (China): • «DOWELLTAN RV13» - a retanning agent based on acrylic resin. In chrome tanning «DOWELLTAN RV13» significantly improves fullness and density of grain and reduces stickiness, has an excellent dispersing effect and accelerates the penetration of vegetable tannins. It can also be used instead of vegetable extracts. It has excellent light resistance and heat resistance, and has bleaching ability;...

Technological visit of Shebekinskaya industrialnaya khimiya, LLC at the Russian tanneries on testing dyeing-fatliquoring recipes for a range of articles.

30-05-2017

        From May 22 a mutual visit of the technician of Shebekinskaya industrialnaya khimiya, LLC and Cromogenia-Units (Spain) was made to work on recipes of dyeing-fatliquoring on a range of leather articles including nappa, suede, nubuck, water-proof shoe crust and also wet-blue recipes for hard leathers at the Russian tannery. During the trials the following new chemicals were used for hard leathers:


Ribersal TD – decreases wrinkles, helps to get open grain.
Riberzym AT – allows to get clean grain without hair residues.
Desencalante D-86 – good for deliming of hard leathers, acts softly.
Basificante MG – increases basification, good tanning bath exhaustion.


During trials of dyeing-fatliquoring processes the following products were used:


Retanal CLE – co-polymer, fills well, gives elasticity.
Retanal TM – styrol-maleic filler, fills very well, gives soft touch.
Retanal TAL – aluminum containing syntan, has good characteristics for buffing.
Repelan HO – sylicon emulsion, used in production of water-proof articles, has more than 3 hours in accordance with the Bally method.


 

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