IROGRAN® A 89 E 4372

Polyester-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 89 E 4372 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are good oil and solvent resistance, abrasion resistance, excellent wear performance, good low temperature performance, resistance to dynamic stress, short cycle times and high melt stability.
MAIN APPLICATIONS:
Thick wall technical parts, seals and gaskets and thick wall extrusion profiles.

Details

At Jan.2016: US / EAIME / APAC - / MTS / MTO finished 09.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ISO 7619 87 Shore A
Hardness (after 3 sec.) M ISO 7619 38 Shore D
Density M ISO 1183-1 1,20 g/cm³
Tensile strength M DIN 53504 50 MPa
Elongation @ break M DIN 53504 600 %
Tensile stress @ 100% elongation M DIN 53504 6,0 MPa
Tensile stress @ 300% elongation M DIN 53504 11,5 MPa
Tear strength M ISO 34-1 70 N/mm
Abrasion M ISO 4649 30 mm³
Bayshore rebound resilience M ASTM D 2632 40 %
Compression set at 70h @ 23°C M ISO 815 17 %
Compression set at 24h @ 70°C M ISO 815 38 %
Mold shrinkage M ISO 294-4 1,1 %
Softening range low E Huntsman TMA 180 °C
Softening range high E Huntsman TMA 195 °C
  • M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 100 °C prior to testing

  • E = Extruded film cut to ASTM requirements. Parts at room temperature aged prior to testing.

Processing Parameters

Melt Volume Rate [190°C / 21,6kg] ISO 1133-1  =  4 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 195 - 205
Die Head: 200 - 210
Nozzle: 195 - 210
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