IROGRAN® A 78 P 4766

Polyether-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 78 P 4766 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, good oil and solvent resistance, good low temperature performance and high elasticity.
MAIN APPLICATIONS:
Thin wall extrusion profiles, spiral hoses and cable jacketing.

Details

At Jan.2016: US / EAIME / APAC - / MTS / MTS finished 09.10.2016 19.02.2020FW change the TMA from 165-190°C too 170-185°C
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ISO 7619 82 Shore A
Hardness (after 3 sec.) M ISO 7619 30 Shore D
Density M ISO 1183-1 1,16 g/cm³
Tensile strength M DIN 53504 30 MPa
Elongation @ break M DIN 53504 700 %
Tensile stress @ 100% elongation M DIN 53504 5,2 MPa
Tensile stress @ 300% elongation M DIN 53504 8,0 MPa
Tear strength M ISO 34-1 40 N/mm
Abrasion M ISO 4649 40 mm³
Bayshore rebound resilience M ASTM D 2632 50 %
Compression set at 70h @ 23°C M ISO 815 20 %
Compression set at 24h @ 70°C M ISO 815 36 %
Mold shrinkage M ISO 294-4 1,2 %
Softening range low E Huntsman TMA 170 °C
Softening range high E Huntsman TMA 185 °C
Certificates UL 94 - V0
  • M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 100 °C 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  =  110 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 165 - 190
Die Head: 175 - 190
Nozzle: 170 - 185
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