IROGRAN® A 85 C 4957

Polyester-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 85 C 4957 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are excellent wear performance and good low temperature performance.
MAIN APPLICATIONS:
Thin wall extrusion profiles and spiral hoses.

Details

At Jan.2016: US / EAIME / APAC - / MTO / MTS finished 08.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ASTM D 2240 85 Shore A
Hardness (after 3 sec.) M ASTM D 2240 34 Shore D
Density M ASTM D 792 1.22 g/cm³
Tensile strength M ASTM D 412 4900 psi
Elongation @ break M ASTM D 412 720 %
Tensile stress @ 100% elongation M ASTM D 412 890 psi
Tensile stress @ 300% elongation M ASTM D 412 1440 psi
Tear strength M ASTM D 624 580 pli
Abrasion M ISO 4649 30 mm³
Bayshore rebound resilience M ASTM D 2632 36 %
Compression set at 70h @ 23°C M ASTM D 395 18 %
Compression set at 22h @ 70°C M ASTM D 395 40 %
Mold shrinkage M ASTM D 955 1.0 %
Softening range low E Huntsman TMA 155 °C
Softening range high E Huntsman TMA 165 °C
  • M = Injection moulded 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 [195°C / 8,7kg] ISO 1133-1  =  30 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 190 - 210
Die Head: 190 - 210
Nozzle: 190 - 210
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