Lubrizol
Estane® 58144 TPU
Estane 58144 is an aromatic polyether-type thermoplastic polyurethane (TPU) compound developed for injection molding applications. This grade combines high stiffness and strength with excellent toughness and tear resistance. With a Shore hardness of 65D and tensile strength of 45.9 MPa, it delivers structural rigidity alongside flexibility. The polyether-based chemistry supports good hydrolysis resistance and reliable performance in demanding environments.
Key Features:
- Polyether-type TPU compound
- Hardness: 65D ±3
- High tensile strength (45.9 MPa)
- High flexural modulus (309.7 MPa)
- Excellent tear strength (170.9 kN/m, Die C)
- Good stiffness and dimensional stability
- Glass transition: -40°C
- FDA compliant (contact Lubrizol for details)
Processing Form:
- Injection Molding
Processing Notes:
Pre-dry for 2 hours at 104°C (220°F) in a dehumidifying hopper dryer to achieve moisture below 0.02%.
Recommended barrel temperatures: Rear 199°C, Middle 204°C, Front 215°C, Nozzle 218°C. Melt temperature approx. 204°C. Mold temperature 10–22°C. Injection pressure: 69–138 MPa. Mold shrinkage approx. 0.005 in/in.
Purpose:
FDA compliant
Application:
Developed to support good hydrolysis resistance and reliable performance in demanding environments
Delivery Form:
Pellets
Key Sustainability Features of Estane TPU
Bio-Based Content
The Estane ECO TPU series incorporates renewable materials, with bio-based content ranging from 20% to 69%, certified according to ASTM D6866.
Biomass Balance Approach
The Estane RNW TPU line utilizes mass-balanced biomass feedstocks, reducing reliance on fossil-based sources while maintaining the quality and performance of standard petroleum-based resins.
Reduced Carbon Footprint
Implementing sustainable feedstocks in Estane RNW TPU products has achieved up to a 59% reduction in product carbon footprint, contributing to lower greenhouse gas emissions.
Performance Consistency
TPUs deliver the same high-quality performance as traditional TPUs, ensuring that sustainability enhancements do not compromise material integrity.
