LFT-G® TPU GF50 - What is it? Key Benefits & Datasheet
LFT-G® TPU GF50 is a 50% long glass fiber reinforced thermoplastic polyurethane compound. This advanced long-glass-fiber material combines the inherent flexibility and durability of TPU with the structural reinforcement provided by long glass fibers. With obvious advantages over standard TPU and short glass fiber reinforced grades, this high-performance long glass fiber material is specially developed for components that require long-term load capacity and stable performance under demanding conditions.
Key features of LFT-G® TPU GF engineering compound
- High Strength & Stiffness: Delivers exceptional tensile strength and rigidity from 50% long glass fiber reinforcement.
- Superior Impact & Fatigue Resistance: Maintains TPU's high impact strength while offering excellent fatigue resistance.
- Outstanding Dimensional Stability: Provides excellent creep resistance and minimal deformation under load or heat.
- Excellent Wear & Abrasion Resistance: Inherits superior surface durability from the TPU matrix for long-lasting parts.
- Enhanced Chemical & Temperature Resistance: Offers good resistance to oils, chemicals, and improved thermal performance.
Technical Data Sheet
Key Properties of LFT-G® TPU GF50
| Property | Test Method | Value | Unit |
|
Tensile Strength
|
ISO：527
|
234 | MPa |
|
Tensile Modulus
|
ISO：527
|
14,010 | MPa |
|
Tensile Elongation
|
ISO：527
|
2.0-2.6 %
|
/ |
|
Flexural Strength
|
ASTM D-790
|
322 | MPa |
|
Flexural Modulus
|
ASTM D-790
|
11,502
|
MPa |
|
Notched Izod Impact
|
ISO：180
|
44 |
KJ/m2
|
Processing Guidelines
To ensure optimal performance and minimize fiber breakage during the injection molding of LFT-G® TPU- GF50, follow these recommended processing steps and parameters:
| Parameter | Recommended Range | Key Notes for TPU LGF50 |
| Drying Temperature ① | 90 – 110 °C | Use a desiccant/dry air dryer to avoid hydrolysis |
| Drying Time ① | 3 – 4 hours | Ensure uniform moisture removal before processing |
| Melt Temperature (Nozzle) ③ | 210 – 240 °C | Avoid overheating to preserve fiber integrity |
| Mold Temperature ② | 40 – 60 °C | Balances flowability and part dimensional stability |
| Injection Speed | Slow to Moderate | Minimize fiber breakage and internal shear |
Critical Tips：
Screw: Low-compression screw to reduce fiber breakage
Gating: Generous gating for smooth material flow
Common Use of LFT-G® TPU GF50
Automotive Functional Components
LFT-G® TPU GF50 is specified for under-the-hood brackets, vibration-damping mounts, cable conduits, and protective grommets. It provides the necessary structural support, chemical resistance to oils, and long-term fatigue endurance in non-core, high-vibration areas.
Industrial Wear & Impact Parts
This material is commonly used for conveyor system rollers, cushioning pads, machinery bumpers, and impact-resistant guides. Its combination of high wear resistance, good load-bearing capacity, and energy absorption makes it suitable for repetitive impact and sliding applications.
Durable Consumer & Tooling Handles
LFT-G® TPU GF50 is ideal for ergonomic tool handles, sports equipment grips, and protective caps. It offers enhanced stiffness over standard TPU, superior grip durability, and excellent resistance to deformation for high-stress handling applications.
FAQ
Q: What is LGF50 material?
A: LGF50 refers to a material reinforced with 50% Long Glass Fibers. In LFT-G® TPU LGF50, these long fibers are integrated into a Thermoplastic Polyurethane matrix, creating a composite with exceptional strength and structural integrity.
Q: How does LFT-G® TPU GF50 differ from standard TPU?
A: While standard TPU is flexible and elastic, LFT-G® TPU GF50 incorporates 50% glass fibers, dramatically increasing its rigidity, load-bearing capacity, and resistance to deformation under heat and stress, making it suitable for engineering applications.
Q: Is LFT-G® TPU GF50 suitable for high-stress applications?
A: Absolutely. LFT-G® TPU LGF50 is engineered for high-stress, dynamic applications such as heavy-duty industrial guides, conveyor impact pads, and structural automotive components where both durability and load-bearing capacity are critical.
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