IROGRAN® A 95 K 4977

Polycaprolactone-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 95 K 4977 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, durability, resistance to dynamic stress, short cycle times and high melt stability.
MAIN APPLICATIONS:
Thick wall technical parts, thin wall technical parts and seals and gaskets.

Details

At Jan.2016: US / EAIME / APAC MTO / MTS / MTS finished 09.10.2016 02.01.2019FW change the VicatA120 on EN-page from 170 to 160°C
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ISO 7619 94 Shore A
Hardness (after 3 sec.) M ISO 7619 46 Shore D
Density M ISO 1183-1 1,20 g/cm³
Tensile strength M DIN 53504 55 MPa
Elongation @ break M DIN 53504 500 %
Tensile stress @ 20% elongation M DIN 53504 8,2 MPa
Tensile stress @ 50% elongation M DIN 53504 11,0 MPa
Tensile stress @ 100% elongation M DIN 53504 12,5 MPa
Tensile stress @ 300% elongation M DIN 53504 24,5 MPa
Tear strength M ISO 34-1 110 N/mm
Abrasion M ISO 4649 30 mm³
Bayshore rebound resilience M ASTM D 2632 29 %
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 35 %
Mold shrinkage M ISO 294-4 1,3 %
Softening range low E Huntsman TMA 210 °C
Softening range high E Huntsman TMA 220 °C
Vicat softening point VST/A120 M ISO 306 160 °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  =  70 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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