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Niax* Silicone L-3640 Additive

Low-Emission, High-Yield, Stable Additive for TDI Foam

A lower-emission silicone, Niax silicone L-3640 additive is an excellent candidate to consider for producing both TDI and MDI molded foam, as well as modified TDI high-resistance molded foams. Niax silicone L-3640 additive can offer the superior stability needed for lower-stability formulations and the flexibility desired by formulators.

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  • Technical Documents

  • Technical Data Sheets

North America Urethane Additives Guide
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More About Niax* Silicone L-3640 Additive

This high-efficiency silicone stabilizer offers wide processing latitude with excellent foam stabilization. Niax silicone L-3640 additive can help to reduce foam emissions, which may be particularly useful in automobile interiors and other confined applications. It helps produce an open-celled foam with minimal shrinkage and low force-to-crush properties, along with superior shear-collapse resistance, even at the ventilation area. 

A versatile silicone, it may also be considered for use with high-solids-containing polyols, as well as higher-reactivity polyols. Niax silicone L-3640 additive's performance generally is comparable to Niax silicone L-5309 additive in TDI/MDI formulations, where it helps provide similar foam openness, smooth skin and a consistent HR-type cell structure.

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.