IROGRAN® A 92 P 4637

Polyether-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 92 P 4637 is a polyether-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are excellent hydrolysis and microbial resistance, excellent wear performance, good low temperature performance, robust processing, high melt stability 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 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 45 Shore D
Density M ASTM D 792 1.14 g/cm³
Tensile strength E ASTM D 412 7100 psi
Elongation @ break E ASTM D 412 500 %
Tensile stress @ 100% elongation E ASTM D 412 1300 psi
Tensile stress @ 300% elongation E ASTM D 412 2860 psi
Tear strength E ASTM D 624 550 pli
Flexural modulus @ 23°C M ASTM D 790 6250 psi
Flexural modulus @ -29°C M ASTM D 790 49610 psi
Abrasion M ISO 4649 33 mm³
Taber abrasion H-18 wheel 1000g M ASTM D 3389 23 mg/1000 cycles
Bayshore rebound resilience M ASTM D 2632 35 %
Compression set at 22h @ 23°C M ASTM D 395 30 %
Compression set at 22h @ 70°C M ASTM D 395 83 %
Mold shrinkage M ASTM D 955 0.6 %
Softening range low E Huntsman TMA 167 °C
Softening range high E Huntsman TMA 181 °C
Glass transition temperature (DSC) E ASTM D 3418 -39 °C
Vicat softening point VST/A120 M ASTM D 1525 97 °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: 175 - 195
Die Head: 185 - 200
Nozzle: 180 - 200
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