Sealed Air® brand Whisper®NBO Acoustic Panel

Sealed Air®  brand Whisper® NBO Acoustic Panels  consist of a closed cell polyethylene foam which uses a high-performance honeycomb like structure to absorb noise in noise barrier wall applications for road and rail to category A3 in diffuse sound fields. The material also provides at least 5dB of in-situ reflection performance in direct sound fields. Whisper NBO complies with the requirements of EN 14388:2008 for fire, impact, and long-term performance declared duration of >50 years.