IROGRAN® A 85 C 4957

IROGRAN® A 85 C 4957 is a polyester-based thermoplastic polyurethane (TPU) for extrusion and injection molding applications. Key features include excellent wear performance and good low-temperature performance.

Polymer Name: Thermoplastic Polyurethane (Polyester based)

Processing Methods: Extrusion, Injection Molding

End Uses: Hoses, Spiral Tubes, Thin-walled Parts

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Markets
Applications
Product Applications
  • Thin wall extrusion profiles and spiral hoses.

Properties

Physical Form
Notes

¹- Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs at 100 °C prior to testing.
²- Extruded film cut to ASTM requirements. Parts at room temperature aged prior to testing.

Regulatory & Compliance

Technical Details & Test Data

Material Preparation

IROGRAN® A 85 C 4957 is supplied pre-dried, however to ensure trouble-free processing it is preferable to dry before use. The recommended drying conditions are:

  • 3 hours at 80-90°C in circulating air
  • 3 hours at 70-80°C in dehumidified air
  • Dew point: -30°C

Packaging & Availability

Packaging Type
Regional Availability
  • Global
Packaging Information
  • IROGRAN® A 85 C 4957 is supplied in bags, drums or octabins.

Storage & Handling

Storage Information
  • IROGRAN® A 85 C 4957 has a minimum expected shelf life of 12 months after shipment date.

Other

Appearance
Transparent pellets
Mechanical Properties
ValueUnitsTest Method / Conditions
Compression Set18.0 %%ISO 815 at 23°C, 70 hr
Compression Set40.0 %%ISO 815 at 70°C, 24 hr
Hardness34.0 Shore DShore DISO 7619 after 3 seconds
Tear Strength70.0 N/mmN/mmISO 34-1
Tensile Strength40.0 MPaMPaDIN 53504
Physical Properties
ValueUnitsTest Method / Conditions
Density1.22 g/cm³g/cm³ISO 1183-1