Fabricators of Adhesive Tapes & Flexible Materials

MBK NEO-304U is a black 3/4" thick, medium density Neoprene/EPDM/SBR blend Sponge Foam. This soft, flexible and durable sponge provides good thermal and moisture insulation, often used for gasketing and cushioning.

Neoprene Sponge Foams are available in black or gray either plain or with acrylic or rubber adhesive and various densities and thicknesses, ranging from 1/32" to 1". Custom adhesives, thicknesses, sizes and shapes available upon request.

Unit of Measure



Brand Part Number


Primary Application

N/A Gaskets Industrial Sealing

Application Description

  • This watertight sponge is ideal for gasketing and weather stripping
  • It is also very good for cushioning, shock absorption and sound and vibration dampening
  • Used in electrical and electronic cabinets for sound attenuation
  • Used for athletic equipment like gloves, wetsits and knee pads
  • Sound barrier in or on walls, ceilings and floors


  • Good sealing on flat and rough surfaces
  • Good chemical, UV and solvent resistance
  • Provides a good seal against dust and vapors when compressed to a minimum of 30% between two solid surfaces
  • Pass Flammability FM VSS #302 and UL Listed UL 94 HBF, UL 94 HF1

Markets Served

N/A Aerospace Construction Defense Electrical Electronics Manufacturing Recreation Renewable Energy


N/A Neoprene EPDM-SBR Foam

Adhesive Coating

N/A No Adhesive

Adhesive Type

N/A Plain


N/A Black

Maximum Width/ Master Roll Width

N/A 42 in

Service/Operating Temperature

N/A Test ASTM D 746: -40 to 200 ºF

N/A The physical properties listed are typical values based on PSTC, ASTM and other standard tests. This data should be used as guides only, and not as specification limits. Our recommendations for use are based on practical experience and testing. However, it is the responsibility of the user to determine the suitability of the product for his intended use. MBK Tape Solutions will not assume liability for claims beyond the replacement value of our product proved to be defective.

© 2020, MBK Tape Solutions  |  Site created by Thomas Web Solutions and powered by Navigator Platform