IROGRAN® A 92 E 4246L

Polyester-based Thermoplastic Polyurethane

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

Details

At Jan.2016: US / EAIME / APAC MTS / DP / - finished 09.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ASTM D 2240 91 Shore A
Hardness (after 3 sec.) M ASTM D 2240 47 Shore D
Density M ASTM D 792 1.21 g/cm³
Tensile strength E ASTM D 412 6370 psi
Elongation @ break E ASTM D 412 530 %
Tensile stress @ 100% elongation E ASTM D 412 1050 psi
Tensile stress @ 300% elongation E ASTM D 412 2370 psi
Tear strength E ASTM D 624 610 pli
Flexural modulus @ 23°C M ASTM D 790 8095 psi
Flexural modulus @ -29°C M ASTM D 790 33790 psi
Abrasion M ISO 4649 30 mm³
Taber abrasion H-18 wheel 1000g M ASTM D 3389 31 mg/1000 cycles
Bayshore rebound resilience M ASTM D 2632 41 %
Compression set at 22h @ 23°C M ASTM D 395 30 %
Compression set at 22h @ 70°C M ASTM D 395 69 %
Mold shrinkage M ASTM D 955 1.0 %
Softening range low E Huntsman TMA 182 °C
Softening range high E Huntsman TMA 204 °C
Glass transition temperature (DSC) E ASTM D 3418 -43 °C
Vicat softening point VST/A120 M ASTM D 1525 115 °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 [210°C / 21,6kg] ISO 1133-1  =  60 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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