Niax* Silicone L-6186


Developed for manufacturing open-cell, rigid polyurethane or polyisocyanurate foam products, Niax silicone L-6186 functions primarily as a nonhydrolyzable silicone copolymer. Contributing to cell stabilization and cell opening in water-blown rigid forms, it is generally soluble and stable in fully formulated systems. Niax silicone L-6186 may also be generally suitable for multiple applications, including spray, continuous or discontinuous type formulations.


Niax* Silicone L-6186 Marketing Bulletin

More About Niax* Silicone L-6186

 As a premier urethane additive, Niax silicone L-6186 generally performs well with formulations with both high and low NCO indexes, based on polyether or polyester polyols. When formulating open-cell foam with Niax silicone L-6186, it is not typically necessary to use excess water to cause cell opening; therefore, it can also be used at 100 NCO index or above. Foam stabilization generally increases with increased usage of Niax silicone L-6186, thus allowing for delayed cell-opening time and producing finer, yet mainly open, cells. A typical starting level is 1% on the polyol side with up to 4% or more for finer cells or more stabilization effect. 

Potential applications for Niax silicone L-6186 include: 

  • Manufacturing open-cell, rigid polyurethane or polyisocyanurate foam products by molding, injection, continuous process or spray application

For key features, typical benefits and physical properties, potential applications, and more, please download the marketing bulletin on this page.

* Niax is a trademark of Momentive Performance Materials Inc.  


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*The marks followed by an asterisk (*) are trademarks of Momentive Performance Materials Inc.