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 ASTM D 2240 94 Shore A
Hardness (after 3 sec.) M ASTM D 2240 46 Shore D
Density M ASTM D 792 1.20 g/cm³
Tensile strength M ASTM D 412 5800 psi
Elongation @ break M ASTM D 412 510 %
Tensile stress @ 20% elongation M ASTM D 412 1380 psi
Tensile stress @ 50% elongation M ASTM D 412 1770 psi
Tensile stress @ 100% elongation M ASTM D 412 2000 psi
Tensile stress @ 300% elongation M ASTM D 412 3250 psi
Tear strength M ASTM D 624 760 pli
Abrasion M ISO 4649 30 mm³
Bayshore rebound resilience M ASTM D 2632 29 %
Compression set at 70h @ 23°C M ASTM D 395 15 %
Compression set at 22h @ 70°C M ASTM D 395 25 %
Compression set at 22h @ 100°C M ASTM D 395 30 %
Compression set at 70h @ 100°C M ASTM D 395 35 %
Mold shrinkage M ASTM D 955 1.3 %
Softening range low E Huntsman TMA 210 °C
Softening range high E Huntsman TMA 220 °C
Vicat softening point VST/A120 M ASTM D 1525 170 °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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