IROGRAN® A 78 E 4506

Polyester-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 78 E 4506 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are plasticizer-free, good oil and solvent resistance and resistance to dynamic stress.
MAIN APPLICATIONS:
Thick wall technical parts, thick wall extrusion profiles and pneumatic tubes.

Details

At Jan.2016: US / EAIME / APAC - / MTS / MTO finished 08.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ISO 7619 80 Shore A
Hardness (after 3 sec.) M ISO 7619 30 Shore D
Density M ISO 1183-1 1,17 g/cm³
Tensile strength M DIN 53504 50 MPa
Elongation @ break M DIN 53504 700 %
Tensile stress @ 100% elongation M DIN 53504 4,4 MPa
Tensile stress @ 300% elongation M DIN 53504 8,5 MPa
Tear strength M ISO 34-1 60 N/mm
Abrasion M ISO 4649 25 mm³
Bayshore rebound resilience M ASTM D 2632 48 %
Compression set at 70h @ 23°C M ISO 815 21 %
Compression set at 24h @ 70°C M ISO 815 36 %
Mold shrinkage M ISO 294-4 1,5 %
Softening range low E Huntsman TMA 175 °C
Softening range high E Huntsman TMA 185 °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  =  25 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 165 - 190
Die Head: 175 - 200
Nozzle: 170 - 200
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