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Water Resistant Sound and Vibration Absorbing Panel QuietPro

SKU QUIETPRO

Quiet-Pro is a light weight, water resistant, sound and energy absorbing panel system. It has principal uses as an acoustic liner within air inlet trunks and other sea water exposed (occasional splash wetting) areas. It is also used as an energy absorbing treatment to dampen sound and vibration on thin panels, and as a light weight thermal treatment that does not absorb condensation.

This product is made of expanded polypropylene pellets formed into rigid boards. The technology is based on recent developments related to energy absorbing plastics used for automobile crash protection. The material exhibits high chemical and moisture resistance derived from the special chemistry of the polypropylene resin.

These chemistry modifications also enhance its unique sound absorption and damping properties. The material is molded using a process of expanding polypropylene beads with hollow cavities.

The expanded beads are non-porous, but the hollow cores and cracks between adjacent beads allow sound into a labyrinth-like path where energy is absorbed. The hydrophobic nature of QuietPro allows sound absorption from a material that holds much less water than fiber based acoustic materials. Sound absorption in 2" thickness achieves a value of NRC = 0.50. This value provides good sound absorption in moist applications, where fibrous or cellular foam materials cannot be used.

The structural stability of QuietPro combined with its sound and energy absorbing properties make it an ideal core material in marine interiors, machinery spaces, etc.A comparison of wall panels using 1.75" core with .625" skin showed that QuietPro increased the sound transmission coefficient by 9dB due to its excellent mechanical energy absorption characteristics. Because of its excellent mechanical energy absorption characteristics QuietPro is an ideal light weight vibration damper

List Price $55.95
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