IROGRAN® A 92 K 4107

Polycaprolactone-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 92 K 4107 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, resistance to dynamic stress and short cycle times.
MAIN APPLICATIONS:
Thick wall technical parts and seals and gaskets.

Details

At Jan.2016: US / EAIME / APAC MTO / MTS / MTS 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 1.18 g/cm³
Tensile strength M ASTM D 412 5330 psi
Elongation @ break M ASTM D 412 540 %
Tensile stress @ 50% elongation M ASTM D 412 1000 psi
Tensile stress @ 100% elongation M ASTM D 412 1290 psi
Tensile stress @ 300% elongation M ASTM D 412 2290 psi
Tear strength M ASTM D 624 550 pli
Abrasion M ISO 4649 29 mm³
Bayshore rebound resilience M ASTM D 2632 43 %
Compression set at 22h @ 23°C M ASTM D 395 15 %
Compression set at 22h @ 70°C M ASTM D 395 26 %
Compression set at 22h @ 100°C M ASTM D 395 35 %
Compression set at 70h @ 100°C M ASTM D 395 40 %
Mold shrinkage M ASTM D 955 0.7 %
Softening range low M Huntsman TMA 194 °C
Softening range high M Huntsman TMA 205 °C
Glass transition temperature (DSC) M ASTM D 3418 -38 °C
Vicat softening point VST/A120 M ASTM D 1525 155 °C
  • M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 120 °C prior to testing

Processing Parameters

Melt Volume Rate [210°C / 21,6kg] ISO 1133-1  =  6 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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