Product Description

SOLIMIDE® TA-301 polyimide foam is used in marine, commercial and industrial markets as lightweight, non- flammable, thermal and acoustic foam insulation. Applications vary and include marine hull board, commercial HVAC duct liners, insulation for rail cars and expansion and contraction joints in cryogenic applications. TA-301 can be cut into a variety of shapes and sizes, then faced or coated to meet end user requirements.

Specifications / Certificates

  • • Department of Defense DOD-I-24688
  • • NFPA 130, US FRA and FTA (Docket 90-A)
  • • Fire-restricting materials per the International Maritime Organization (IMO) high speed craft code in accordance with the IMO Resolution MSC.40(64)
  • • ASTM C 1482
  • • SOLIMIDE® Foams may meet additional specifications that are not listed here. Please contact us to determine if it meets your specifications or other requirements.

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Density  lb/ft3 (kg/m3) 0.40 (6.4)  ASTM D3574 Test A,
IOS 845
Flaming Spread Index   <5 ASTM E84
Smoke Developed Index   <5 ASTM E84
Limiting Oxygen Index % >28 ASTM D2863, ISO
Noise Reduction Coefficient (NRC), 1
in (25mm)

0.7 ASTM C423 and E795,
Mounting A
Max Continuous Use Temperature °F (°C) 400 (200)  
Thermal Conductivity at 75°F (24°C) BTU-in/hr-ft2-°F
0.32 (0.046) ASTM C518
50% Compression Force Deflection lb/in2 (kPa) 1.2 (8.3) ASTM D3574, Test C


  • -  Rail cars
  • -  HVAC and solar systems
  • -  Firefighter clothing
  • -  High temperature ducts, tubes and gaskets