Conventional and polymeric waterproofing technologies

Conventional and polymeric waterproofing technologies

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High-performance leather waterproofing begins at the wet-end of the tanning process. We offer both conventional as polymeric technologies for standard and performances waterproofing with our Densodrin® product portfolio. Our waterproofing auxiliaries for neutralization and dispersion optimize distribution and prepare the leather for further treatment.

With the incorporation of BASF’s Leather Chemicals division and Densodrin® and Densotan® brands, Stahl today offers the broadest and most advanced range of waterproofing products on the market.


Full polymer silicone leather waterproofing

Meet our full polymer silicone waterproofing products: Densodrin® Polymeric Generation and polymeric Densotan® that together transform leather waterproofing. This is because they work every bit as well as conventional water-soluble waxes and silicones – but have a much lower environmental impact. Employing Densodrin® Polymeric Generation with the polymeric Densotan® auxiliary, the Stahl Full Polymeric Waterproofing Process enables tanners and shoe manufacturers to benefit from full polymeric neutralization, re-tanning and waterproofing.


Standard and high performing conventional waterproofing

Our conventional waterproofing systems offer very good waterproofing performances. Our synthetic fat-liquors Densodrin® DS, CD and CS offer great waterproof performance. Densodrin® EN, ENS and ER are the solutions for standard waterproofing.

Stahl leather waterproofing bally-penetrometer performanceDensodrin® and their waterproof effect


Waterproofing auxiliaries Densodrin® and Densotan®

Our waterproofing auxiliaries for neutralization and dispersion – Densotan® A and CP – optimize distribution and prepare the leather for further treatment. Densodrin® OF and S are additives for boosting the water-resistance even further. Densodrin® OF also softens the leather and gives a smooth, silky handle to the leather.


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Conventional and polymeric waterproofing technologies
Joachim Henkmann
Global Marketing - Business Unit Leather Chemicals