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Low odor cold cast PU systems for concrete forming applications

  • Based on LF technology (<0.1 wt% free diisocyanate content), these systems are designed to significantly reduce inhalation exposure – low odor
  • Formulated such that part A and part B are mixed in whole ratios for easy processing, these systems offer great dimensional stability
  • Low viscosity and long open work times enable fine pattern matching details

Cologne – Specialty chemicals company LANXESS will attend World Of Concrete in Las Vegas, Nevada this year. Bruno Motta, North American Sales Director, and Tyler Ryan, Global R&D Chemist, will be onsite to promote new urethane systems for concrete forming applications.


LANXESS Urethane Systems has developed a range of room temperature curable polyurethane systems that offer outstanding technical performance, exceptional ease of processability, and are low odor. All the casting and curing is undertaken at room temperature, thereby optimizing energy costs and the ecological footprint.


Improved industrial hygiene

Compared with conventional prepolymers, Adiprene Low Free (LF) prepolymers contain significantly lower levels (< 0.1%) of free isocyanate, which significantly reduces the worker’s risk of exposure. As a result, these systems contain very little to no noticeable odor.


Sustainability: reduced energy consumption

“Here at LANXESS, we are making an important contribution to the sustainability of PU cast elastomers. Resource efficiency and environmental friendliness of our systems are improved, and the CO2 footprint in the manufacture of casting systems and components made from them is reduced. Such forward-looking concepts are a core element for us in improving sustainability and strengthening the competitiveness of our partners,” explains Dr. Markus Eckert, head of the Urethane Systems business unit at LANXESS.


Adiprene LF prepolymers and Vibracure curatives are low viscosity at room temperature which means no heating is required to process the materials. Since these systems fully cure at room temperature, no ovens, high temperatures, or hot molds are necessary. This directly improves operations by reducing energy costs and worker safety as well as reduces the carbon footprint.


Room temperature processing and performance

Adiprene LF prepolymers are available in a wide variety of isocyanate and polyol compositions. Cured with formulated Vibracure curatives, these systems are designed for room temperature cast elastomer applications.


These cold cast systems are designed with part A and B to be easy whole number mix ratios. These systems are robust, moisture tolerant, and can be either hand-mixed or machine-mixed with low viscosity and long open work times at room temperature, enabling the casting of complex designs ideal for pattern matching applications. 


LANXESS is a leading specialty chemicals company with sales of EUR 7.2 billion in 2018. The company currently has about 15,500 employees in 33 countries and is represented at 57 production sites worldwide. The core business of LANXESS is the development, manufacturing and marketing of chemical intermediates, additives, specialty chemicals and plastics. LANXESS is listed in the leading sustainability indices Dow Jones Sustainability Index (DJSI World and Europe) and FTSE4Good.


Cologne,                                February 4, 2020

mfg                          2020-000XXe


Forward-Looking Statements
This company release contains certain forward-looking statements, including assumptions, opinions, expectations and views of the company or cited from third party sources. Various known and unknown risks, uncertainties and other factors could cause the actual results, financial position, development or performance of LANXESS AG to differ materially from the estimations expressed or implied herein. LANXESS AG does not guarantee that the assumptions underlying such forward-looking statements are free from errors nor does it accept any responsibility for the future accuracy of the opinions expressed in this presentation or the actual occurrence of the forecast developments. No representation or warranty (expressed or implied) is made as to, and no reliance should be placed on, any information, estimates, targets and opinions, contained herein, and no liability whatsoever is accepted as to any errors, omissions or misstatements contained herein, and accordingly, no representative of LANXESS AG or any of its affiliated companies or any of such person's officers, directors or employees accept any liability whatsoever arising directly or indirectly from the use of this document.


Information for editors:

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Michael Fahrig

Michael Fahrig
Spokesperson Trade and Technical Press

Phone: +49 221 8885 5041

Fax: +49 221 8885 4865

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