IROGRAN® A 95 K 4142

Polycaprolactone-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 95 K 4142 is a polycaprolactone-based Thermoplastic Polyurethane (TPU) for injection molding applications. Key features are good oil and solvent resistance, low compression set, excellent wear performance and resistance to dynamic stress.
MAIN APPLICATIONS:
Thick wall technical parts, thin wall technical parts and seals and gaskets.

Details

At Jan.2016: US / EAIME / APAC - / MTO / MTO finished 09.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ISO 7619 95 Shore A
Hardness (after 3 sec.) M ISO 7619 47 Shore D
Density M ISO 1183-1 1,20 g/cm³
Tensile strength M DIN 53504 52 MPa
Elongation @ break M DIN 53504 500 %
Tensile stress @ 20% elongation M DIN 53504 8,8 MPa
Tensile stress @ 50% elongation M DIN 53504 11,8 MPa
Tensile stress @ 100% elongation M DIN 53504 14,5 MPa
Tensile stress @ 300% elongation M DIN 53504 25,7 MPa
Tear strength M ISO 34-1 110 N/mm
Abrasion M ISO 4649 32 mm³
Bayshore rebound resilience M ASTM D 2632 35 %
Compression set at 70h @ 23°C M ISO 815 15 %
Compression set at 24h @ 70°C M ISO 815 25 %
Compression set at 24h @ 100°C M ISO 815 30 %
Compression set at 70h @ 100°C M ISO 815 43 %
Mold shrinkage M ISO 294-4 0,9 %
Softening range low E Huntsman TMA 215 °C
Softening range high M Huntsman TMA 220 °C
Vicat softening point VST/A120 M ISO 306 155 °C
  • M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 120 °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  =  5 cm³/10min

Processing Parameter:   Injection Molding
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 205 - 215
Nozzle: 210 - 220
Mold: 20 - 50
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