What Is LGF40 TPU Thermoplastic?
LGF40 TPU is a long glass fiber reinforced thermoplastic polyurethane composite containing 40% long glass fiber by weight. It is designed for applications requiring high structural strength, stiffness, impact resistance and dimensional stability, with the performance profile determined by the specific TPU formulation.
Unlike conventional flexible TPU grades, LGF40 TPU is a highly reinforced engineering compound intended for load-bearing and semi-rigid structural applications. Its long-fiber reinforcement helps improve mechanical load transfer and resistance to deformation, making it a candidate for demanding industrial parts where conventional elastomers may lack sufficient rigidity.
Reinforcement for demanding applications
Designed around the balance of material stiffness, strength and durability.

Higher Structural Stiffness
Long glass fiber reinforcement helps improve resistance to bending and deformation compared with unfilled TPU.
Reinforced Mechanical Performance
Suitable for evaluating in components exposed to mechanical loads, with actual impact and strength performance depending on grade and design.
Dimensional Support
Fiber reinforcement can help limit deformation under load; dimensional stability must be validated against the component geometry and molding conditions.
Injection-Molded Design Flexibility
Pellets can be processed into complex component geometries, subject to suitable mold, gate and processing design.
APPLICATIONS
Explore potential component applications based on the actual mechanical and environmental requirements.

Automotive & Mobility
Selected mounting brackets, protective structures and supports.
Robotics & Automation
Reinforced housings, fixtures and mechanical supports.
Industrial Equipment
Load-bearing fixtures and selected equipment components.

Sports & Outdoor Equipment
Structural fittings and protective parts.
PROCESSING & TECHNICAL SUPPORT
Designed for injection molding
Drying requirements, melt temperature, mold temperature, gate dimensions and shear conditions should be established using the grade-specific processing guide. Long-fiber retention and finished-part performance should be verified during trials.
FREQUENTLY ASKED QUESTIONS
Q: What does LGF40 TPU mean?
A: It refers to a TPU compound containing 40% long glass fiber by weight.
Q: Is LGF40 TPU as flexible as standard TPU?
A: Not necessarily. High glass-fiber loading increases stiffness and can substantially change elongation and flexibility.
Q: Can LGF40 TPU replace PA or PP?
A: It may suit selected applications, but replacement requires comparison of actual mechanical, thermal, chemical and processing requirements.
Q: Can it be injection molded?
A: Yes, where the specific grade is designed for injection molding and the recommended processing conditions are followed.
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