... technology--PU foaming rigid foam parts for heat insulation1.material-- soft PU with high elasticity2.technology--PU foaming3.hardness ... Molded Rubber Products:1, Material: NBR, CR, SBR, EPDM, IIR,NR, EP, SIL, FPM etc.2, Hardness: ... Between 30~90 shore A3,Property: high/low temperature resistance, oil and fuel resistance, water ... in 3 days fastly. rigid foam parts for heat insulation