SoundX® Mass Loaded Vinyl Flexible Sheet

SoundX® Mass Loaded Vinyl Flexible Sheet

Flexible Acoustic Barrier Sheet

SoundX® Mass Loaded Vinyl flexible sheets are used for sound abatement in automotive, industrial and building applications. The high specific gravity of MLV SoundX® sheets blocks the transmission of sound waves and is effective at reducing noise.

Sound Abatement Properties

SoundX® EVA and SoundX® 100 meet or exceed the predicted sound reduction as calculated by the limp mass law: dB = 20*log (f*m) - 33 (where f = frequency in Hz and m=mass in lb/SF)


  • Mass loaded vinyl flexible sheet provides effective sound-deadening qualities
  • Easy to fabricate, SoundX® MLV sheets can be fabricated using a range of processes (adhesives, lamination, die cutting, etc.)
  • Easily cut on site using standard construction tools
  • Thermoformability: Formulations available for low to medium draw thermoforming applications
  • Custom sizes & packaging: Customers can select from various gauges, cut sizes, order sizes and colors to get the exact flexible sheet for their needs
  • Flammability: SoundX® MVSS 302 and formulations are available to meet UL HB
  • Regulatory needs: SoundX® formulations are RoHS-compliant and barium-free color matches avaliable upon request
  • Customizable formulations to meet transportation industry OEM material specification and specialized thermoforming processes in any industry

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