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 ASTM D 2240 87 Shore A
Hardness (after 3 sec.) M ASTM D 2240 43 Shore D
Density M ASTM D 792 1.20 g/cm³
Tensile strength E ASTM D 412 6960 psi
Elongation @ break E ASTM D 412 570 %
Tensile stress @ 50% elongation E ASTM D 412 780 psi
Tensile stress @ 100% elongation E ASTM D 412 890 psi
Tensile stress @ 300% elongation E ASTM D 412 1710 psi
Tear strength E ASTM D 624 470 pli
Flexural modulus @ 23°C M ASTM D 790 4850 psi
Flexural modulus @ -29°C M ASTM D 790 43570 psi
Abrasion M ISO 4649 30 mm³
Taber abrasion H-18 wheel 1000g M ASTM D 3389 22 mg/1000 cycles
Bayshore rebound resilience M ASTM D 2632 31 %
Compression set at 22h @ 23°C M ASTM D 395 37 %
Compression set at 22h @ 70°C M ASTM D 395 88 %
Mold shrinkage M ASTM D 955 1.2 %
Softening range low E Huntsman TMA 146 °C
Softening range high E Huntsman TMA 160 °C
Glass transition temperature (DSC) E ASTM D 3418 -27 °C
Vicat softening point VST/A120 M ASTM D 1525 74 °C
  • M = Injection molded parts to meet DIN & ASTM requirements. Parts at room temperature aged 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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