IROGRAN® A 85 D 4968

Polyester-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 85 D 4968 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are plasticizer-free, hydrolytically stabilized, excellent wear performance, good low temperature performance and resistance to dynamic stress.
MAIN APPLICATIONS:
Thin wall extrusion profiles and spiral hoses.

Details

At Jan.2016: US / EAIME / APAC - / MTS / MTO finished 08.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ASTM D 2240 86 Shore A
Density M ASTM D 792 1.20 g/cm³
Tensile strength E ASTM D 412 8130 psi
Elongation @ break E ASTM D 412 580 %
Tensile stress @ 50% elongation E ASTM D 412 680 psi
Tensile stress @ 100% elongation E ASTM D 412 800 psi
Tensile stress @ 300% elongation E ASTM D 412 1900 psi
Tear strength E ASTM D 624 550 pli
Flexural modulus @ 23°C M ASTM D 790 3560 psi
Flexural modulus @ -29°C M ASTM D 790 15390 psi
Abrasion M ISO 4649 29 mm³
Taber abrasion H-18 wheel 1000g M ASTM D 3389 19 mg/1000 cycles
Bayshore rebound resilience M ASTM D 2632 43 %
Compression set at 22h @ 23°C M ASTM D 395 23 %
Compression set at 22h @ 70°C M ASTM D 395 70 %
Mold shrinkage M ASTM D 955 0.8 %
Softening range low E Huntsman TMA 160 °C
Softening range high E Huntsman TMA 175 °C
Glass transition temperature (DSC) E ASTM D 3418 -38 °C
Vicat softening point VST/A120 M ASTM D 1525 95 °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 [190°C / 21,6kg] ISO 1133-1  =  30 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 180 - 205
Die Head: 180 - 205
Nozzle: 185 - 205
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