• Transportation
  • IT Equipment
  • Housing & Construction
  • Medical & Welfare
  • Consumer Products
  • Industrial Machinery
  • Distribution & Packaging
  • Electric Products
  • Sound
  • Vibration
  • Shock
  • Heat & Temperature
  • Sealing
  • Filtering
  • Light Weight
  • Comfort
  • Low Combustibility
  • Others
  • Polyurethane
  • Rubber
  • Plastics
  • Composites
Compounding and polyurethane foaming technologies


CALMFLEX is a generic term for INOAC sound absorption and damping materials. The CALMFLEX Series includes the F Series for sound absorption and the R Series for vibration damping.
A variety of grades available upon request. These sound insulation products are used in a wide variety of fields covering the following, among others: office electronic appliances such as printers and copying machines , construction machinery , automobiles , motorcycles and household electrical appliances.


  • Excellent sound absorption

    F Series is designed utilizing synthetic engineering technologies of INOAC, and has high sound absorption performance, compared with conventional polyurethane foam.

  • Rich product lineup for various applications

    From a rich product lineup, it is possible to select materials corresponding to a variety of sound generation sources.

  • Excellent low combustibility

    Combustion test standards set by individual industries have been passed. A variety of materials are available.


  • Sound absorption for generator

  • Sound absorption for automotive pillar

  • Sound absorption for HDD damper

  • Sound absorption room