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Future-Proof Hybrids
In recent years, silane-modified polymers (SMPs), or silane-terminated polymers (STPs) from WACKER have become an integral component of a wide range of various adhesives and sealants. They have furthermore found their way into the automotive sector in recent years and have the potential to establish themselves in future application fields. What makes them so special? Uncover the secret behind the STP phenomenon with us!

Hybrids for Environmentally-Sound Performance
Most modern construction materials have been around for many decades. Of course, their quality has consistently evolved over time. Due to chemicals regulations such as REACH, some raw materials have been forced out of the market in order to minimize the risk exposure for users. Fortunately, with silane-terminated polymers a new technology has now emerged that combines many benefits.
We Make the Difference – for Our Environment
With GENIOSIL® STP-E, we offer a portfolio of high-quality hybrid polymers for the formulation of elastic sealants and adhesives that meet today’s requirements, both technical and ecological. GENIOSIL® STP-E based formulations are isocyanate- and solvent-free. Based on our proprietary α-silane technology, these formulations are also tin- free. Moreover, they are straightforward to formulate, their low viscosity allows for exceedingly efficient compounding and they are masters of versatility. All this makes GENIOSIL® STP-E based grades a sustainable alternative for established technologies.
In the following articles, you can extend your knowledge about the development of the α-silane technology at WACKER, learn what our experts think and uncover the secret behind the success of our STP-E polymers.

We Turn Innovations into Reality
Watch this video to find out more about our pioneering α-silane technology and take a look behind the scenes of our specially developed, state-of-the-art STP-E plant in Nünchritz, Germany.
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What Our Experts Say
STP-E polymers increase safety on construction sites, open up completely new possibilities for our customers and make us the leading innovation partner – according to our experts. Eager to read details in their interviews?
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What is the Secret of Our STP-E Polymers?
Our STP-E technology includes a new range of silane-modified polymers, which, thanks to a unique and patented synthesis, exhibit several unparalleled properties. Obtain information about the chemistry behind it.
Learn moreFormulate the Future: with GENIOSIL® STP-E
Our interactive brochure provides a comprehensive overview of our GENIOSIL® STP-E portfolio and its application in the fields of adhesives, sealants and coatings. It will help you to quickly find the right product for your needs.
Please note: open the interactive PDF using Adobe Acrobat Reader or a similar PDF reader software to enjoy the full functionality. When viewing it in a browser, we kindly ask that you download it to your computer first.