THERMAX (super flame retardant)

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Urethane foaming technology and compounding technology

About THERMAX (super flame retardant)

INOAC-THERMAX is PIR (polyisocyanurate foam) thermal insusulator with flame retardant, high performance heat insulation and water resistace.
THERMAX holds its shape even while burned for 5 minutes at 1200℃.


  • Super flame retardant

    Thermax with an oxygen index of 26% prevents melting during combustion and forms a carbonized layer.
    →Refer to related video

  • Flame retardant standard certification (S3)

    US :ASTM E84, NFPA 255, UL723 classB
    EU : EN13501-1 C
    China : GB-8624 B2

  • Heat Insulation (S3)

    S3 is expected to have a high heat insulating property as well as a radiation effect, which has aluminum foil as its surface material.
    Thermal conductivity: 0.020w/(m・k)


  • Installed to plant ceiling as built-in insulator of folded-plate structure.