IROGRAN® A 85 P 4350

Polyether-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 85 P 4350 is a high flame-retardant, halogen-free, 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 and high melt stability.
MAIN APPLICATIONS:
Thin wall extrusion profiles and cable jacketing.

Details

At Jan.2016: US / EAIME / APAC - / MTS / MTS finished 08.10.2016
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ASTM D 2240 86 Shore A
Hardness (after 3 sec.) M ASTM D 2240 38 Shore D
Density M ASTM D 792 1.14 g/cm³
Tensile strength E ASTM D 412 6030 psi
Elongation @ break E ASTM D 412 630 %
Tensile stress @ 100% elongation E ASTM D 412 460 psi
Tensile stress @ 300% elongation E ASTM D 412 1500 psi
Tear strength E ASTM D 624 360 pli
Flexural modulus @ 23°C M ASTM D 790 3790 psi
Flexural modulus @ -29°C M ASTM D 790 7810 psi
Abrasion M ISO 4649 40 mm³
Bayshore rebound resilience M ASTM D 2632 52 %
Compression set at 22h @ 23°C M ASTM D 395 28 %
Compression set at 22h @ 70°C M ASTM D 395 75 %
Mold shrinkage M ASTM D 955 1.0 %
Softening range low E Huntsman TMA 166 °C
Softening range high E Huntsman TMA 192 °C
Glass transition temperature (DSC) E ASTM D 3418 -48 °C
Vicat softening point VST/A120 M ASTM D 1525 88 °C
Certificates UL 94 - V2
  • 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  =  50 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 165 - 190
Die Head: 175 - 200
Nozzle: 170 - 200

 

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