IROGRAN® A 85 P 4394

Polyether-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 85 P 4394 is a polyether-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are excellent hydrolysis and microbial resistance, excellent wear performance, robust processing and a glossy surface.
MAIN APPLICATIONS:
Thin wall technical parts, thin wall extrusion profiles, spiral hoses, cable jacketing and film and sheet.

Details

At Jan.2016: US / EAIME / APAC MTS / MTS / MTS finished 08.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ASTM D 2240 85 Shore A
Hardness (after 3 sec.) M ASTM D 2240 40 Shore D
Density M ASTM D 792 1.12 g/cm³
Tensile strength E ASTM D 412 6850 psi
Elongation @ break E ASTM D 412 560 %
Tensile stress @ 100% elongation E ASTM D 412 930 psi
Tensile stress @ 300% elongation E ASTM D 412 1730 psi
Tear strength E ASTM D 624 470 pli
Flexural modulus @ 23°C M ASTM D 790 3570 psi
Flexural modulus @ -29°C M ASTM D 790 10190 psi
Abrasion M ISO 4649 31 mm³
Taber abrasion H-18 wheel 1000g M ASTM D 3389 8 mg/1000 cycles
Bayshore rebound resilience M ASTM D 2632 42 %
Compression set at 22h @ 23°C M ASTM D 395 28 %
Compression set at 22h @ 70°C M ASTM D 395 80 %
Mold shrinkage M ASTM D 955 0.9 %
Softening range low E Huntsman TMA 157 °C
Softening range high E Huntsman TMA 170 °C
Glass transition temperature (DSC) E ASTM D 3418 -38 °C
Vicat softening point VST/A120 M ASTM D 1525 84 °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  =  55 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 165 - 200
Die Head: 175 - 205
Nozzle: 170 - 200
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