TPU Long Glass Fiber Reinforced Thermoplastic (TPU-LGF)

Thermoplastic Polyurethane (TPU) is a high-performance elastomer composed of alternating hard and soft segments, combining rubber-like elasticity with thermoplastic processing advantages.

TPU offers excellent abrasion resistance, flexibility, impact resistance, and heat resistance, making it widely used in consumer goods, automotive, medical, construction, and industrial applications.

What is Fiber Reinforced TPU?

Although TPU has excellent toughness and impact resistance, some applications require higher stiffness and dimensional stability. By adding long glass fiber (LGF), TPU can be significantly enhanced in terms of modulus, strength, and thermal stability.

Fiber reinforced TPU composites provide a balanced combination of elasticity and structural performance, making them suitable for engineering and load-bearing applications.

Advantages of TPU-LGF Materials

• High elastic modulus and improved rigidity
• Excellent impact resistance and energy absorption
• Good heat resistance and thermal stability
• Superior dimensional stability
• Low coefficient of thermal expansion
• Excellent corrosion and chemical resistance

Long Glass Fiber vs Short Glass Fiber in TPU

Compared with short glass fiber (SGF), long glass fiber (LGF) provides significantly better mechanical performance due to improved fiber length retention and stronger reinforcement networks.

• 1–3× higher toughness than short fiber systems
• 0.5–1× higher tensile strength improvement
• Better load transfer efficiency
• Stronger structural reinforcement effect

Long glass fiber reinforced TPU is especially suitable for large structural parts and engineering applications requiring both flexibility and strength.

Thermoplastics vs Thermosets

Thermosets undergo irreversible chemical crosslinking during curing and cannot be reshaped after forming. In contrast, thermoplastics can be repeatedly softened and reshaped under heat without chemical change.

TPU belongs to thermoplastic materials, offering recyclability, processability, and excellent mechanical performance.

TPU-LGF Applications

• Automotive interior and structural components
• Charging cables and wire protection systems
• Industrial hoses and flexible tubing
• Sports equipment and footwear components
• Medical and wearable devices

TPU-LGF Technical Data (Reference)

Product Details

About Xiamen LFT Composite Plastics Co., Ltd.

Xiamen LFT Composite Plastics Co., Ltd. specializes in long fiber reinforced thermoplastics (LFT & LFRT), including Long Glass Fiber (LGF) and Long Carbon Fiber (LCF) composite materials.

Our materials support injection molding (LFT-G), extrusion, and customized LFT-D processes. Fiber length ranges from 5 mm to 25 mm depending on application requirements.

The company is ISO 9001 and IATF 16949 certified, with multiple patents in long fiber composite technology.