TDI-Free Polyurethane Encapsulants: Alternatives to EN-7/EN-8
- Sandia National Laboratories (SNL-CA), Livermore, CA (United States)
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
This report documents a cross-site effort to identify and evaluate materials that are suitable replacements for the polyurethanes known as EN-7 and EN-8. EN-7 and EN-8 are commercial formulations that contain free toluene diisocyanate (TDI) and which are used as adhesives and as encapsulants in many weapon applications. TDI is an OSHA-regulated volatile diisocyanate and has been targeted for elimination from future weapons use, prompting the need for a TDI-free replacement material.
- Research Organization:
- Sandia National Laboratories (SNL-CA), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- DOE Contract Number:
- NA0003525
- OSTI ID:
- 2530800
- Report Number(s):
- SAND--2025-02685
- Country of Publication:
- United States
- Language:
- English
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