IROGRAN® A 92 E 4246

Polyester-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 92 E 4246 is a polyester-based Thermoplastic Polyurethane (TPU) for injection molding applications. Key features are abrasion resistance, excellent wear performance, resistance to dynamic stress, short cycle times, robust processing and high melt stability.
MAIN APPLICATIONS:
Thick wall technical parts and thin wall technical parts.

Details

At Jan.2016: US / EAIME / APAC - / MTS / - finished 09.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ASTM D 2240 92 Shore A
Hardness (after 3 sec.) M ASTM D 2240 44 Shore D
Density M ASTM D 792 1.21 g/cm³
Tensile strength M ASTM D 412 7100 psi
Elongation @ break M ASTM D 412 630 %
Tensile stress @ 100% elongation M ASTM D 412 1330 psi
Tensile stress @ 300% elongation M ASTM D 412 2600 psi
Tear strength M ASTM D 624 630 pli
Abrasion M ISO 4649 25 mm³
Bayshore rebound resilience M ASTM D 2632 32 %
Compression set at 70h @ 23°C M ASTM D 395 25 %
Compression set at 24h @ 70°C M ASTM D 395 50 %
Mold shrinkage M ASTM D 955 0.9 %
Softening range low E Huntsman TMA 175 °C
Softening range high E Huntsman TMA 190 °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 [210°C / 21,6kg] ISO 1133-1  =  48 cm³/10min

Processing Parameter:   Injection Molding
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 190 - 210
Nozzle: 200 - 215
Mold: 20 - 50
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