IROGRAN® A 95 K 4977

IROGRAN® A 95 K 4977 is a polycaprolactone-based thermoplastic polyurethane (TPU) for injection molding applications. Key features include good oil and solvent resistance, low compression set, excellent wear performance, durability, resistance to dynamic stress, short cycle times, and high melt stability.

Polymer Name: Thermoplastic Polyurethane (Polycaprolactone based)

Processing Methods: Injection Molding

End Uses: Gaskets, Seals, Thick-Walled Parts, 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
  • Thick wall technical parts, thin wall technical parts and seals and gaskets.

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 95 K 4977 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 100-110°C in circulating air
  • 3 hours at 80-90°C in dehumidified air
  • Dew point: -30°C

Safety & Health

Health and Safety Information

Before undertaking any trials with this product it is essential that all personnel are aware of the necessary precautions that must be taken.

Packaging & Availability

Packaging Type
Regional Availability
  • Global
Packaging Information
  • IROGRAN® A 95 K 4977 is supplied in bags, drums or octabins.

Storage & Handling

Storage Information
  • IROGRAN® A 95 K 4977 has a minimum expected shelf life of 12 months after shipment date.

Other

Appearance
Opaque rough cut granules
Mechanical Properties
ValueUnitsTest Method / Conditions
Compression Set30.0 %%ISO 815 at 100°C, 24h
Compression Set35.0 %%ISO 815 at 100°C, 70h
Compression Set15.0 %%ISO 815 at 23°C, 70 hr
Compression Set25.0 %%ISO 815 at 70°C, 24 hr
Hardness46.0 Shore DShore DISO 7619 after 3 seconds
Tear Strength110.0 N/mmN/mmISO 34-1
Tensile Strength55.0 MPaMPaDIN 53504
Physical Properties
ValueUnitsTest Method / Conditions
Density1.2 g/cm³g/cm³ISO 1183-1