IROGRAN® A 85 E 4719

Polyester-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 85 E 4719 is a polyester-based Thermoplastic Polyurethane (TPU) for melt calendering. Key features are excellent multilayer bonding, excellent wear performance and robust processing.
MAIN APPLICATIONS:
Thin wall extrusion profiles, textile lamination and calendering applications.

Details

At Jan.2016: US / EAIME / APAC MTS / MTO / MTO
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ISO 7619 86 Shore A
Hardness (after 3 sec.) M ISO 7619 36 Shore D
Density M ISO 1183-1 1,21 g/cm³
Tensile strength M DIN 53504 35 MPa
Elongation @ break M DIN 53504 620 %
Tensile stress @ 100% elongation M DIN 53504 6,0 MPa
Tensile stress @ 300% elongation M DIN 53504 11,7 MPa
Tear strength M ISO 34-1 70 N/mm
Abrasion M ISO 4649 20 mm³
Bayshore rebound resilience M ASTM D 2632 30 %
Compression set at 70h @ 23°C M ISO 815 21 %
Compression set at 24h @ 70°C M ISO 815 45 %
Mold shrinkage M ISO 294-4 0,7 %
Softening range low E Huntsman TMA 150 °C
Softening range high E Huntsman TMA 165 °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 / 10kg] ISO 1133-1  =  60 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 170 - 195
Die Head: 175 - 200
Nozzle: 175 - 200
Processing Parameter:   Calendering
Temperature Profile °C
Front Roll: 160 - 180
Rear Roll: 160 - 180
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