LFT-G® Long Fiber Reinforced Polypropylene for Automotive Cooling Fan Parts
Quiet Power, Efficient Cooling: The Superior Material for Automotive Cooling Fans
In the pursuit of optimal engine performance and fuel efficiency, the automotive cooling fan plays a crucial role in dissipating heat. LFT-G® PP LGF30 emerges as the premier material choice for crafting high-performance cooling fan components, delivering an exceptional combination of lightweight design, robust strength, and superior vibration damping. By embedding continuous long glass fibers within a high-quality polypropylene matrix, LFT-G® PP LGF30 achieves an outstanding strength-to-weight ratio, enabling the production of lighter fan blades that reduce rotational inertia, leading to faster response times and lower energy consumption. This specialized grade of LFT PP LGF30 is expertly formulated to withstand the demanding thermal and mechanical stresses of the engine compartment, ensuring quiet operation, dimensional stability at high rotational speeds, and long-lasting reliability for the vehicle's cooling system.
Key Advantages of LFT-G® PP LGF30 for Automotive Cooling Fan Parts
- Ultra-Lightweight Design: The low density of PP LGF30 results in significantly lighter fan blades, reducing the load on the motor and improving energy efficiency.
- Exceptional Strength and Stiffness: Withstands high rotational speeds and aerodynamic loads, ensuring the fan blades maintain their shape and deliver optimal airflow.
- Superior Vibration Damping: Minimizes noise and vibrations during operation, contributing to a quieter and more comfortable driving experience.
- Excellent Balance Properties: The uniform distribution of long glass fibers ensures consistent material properties, leading to better fan balance and reduced wear on the motor bearings.
- High Heat Resistance: Engineered to perform reliably under the elevated temperatures found in the engine compartment.
- Dimensional Stability: Maintains precise fan blade geometry even at high speeds and varying temperatures, ensuring consistent cooling performance.
- Design Freedom and Integration: The excellent moldability of PP LGF30 allows for the creation of complex and optimized fan blade designs with integrated features.
By choosing LFT-G® PP LGF30 for your automotive cooling fan components, you are investing in a material that delivers unparalleled performance, efficiency, and durability. Our specialized LFT PP grades empower automotive manufacturers to develop lighter, quieter, and more reliable cooling systems that meet the demands of modern vehicles. Explore the possibilities and partner with us to engineer the next generation of high-performance cooling fans.
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LFT-G® PP LGF30 Technical Data Sheet for Automotive Cooling Fans
This document provides technical data for a 30% Long Glass Fiber reinforced Polypropylene (LFT-G® PP LGF30) material, specifically relevant for automotive cooling fan applications. The data presented here is based on typical values obtained from Xiamen LFT-G® material suppliers and international standards. Please refer to the specific datasheet of your program for precise LFT material values.
Mechanical Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Tensile Strength | 122±5 | MPa | ISO 527-1 |
| Tensile Modulus | 6900-7380 | MPa | ISO 527-1 |
| Elongation at Break | 1.5-2.5 | % | ISO 527-1 |
| Flexural Strength | 150-160 | MPa | ISO 178 |
| Flexural Modulus | 5000-6000 | MPa | ISO 178 |
| Notched Izod Impact Strength (+23°C) | 34-42 | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (-30°C) | 30-35 | kJ/m² | ISO 180/1A |
| Fatigue Strength (at 106 cycles) | ~40-50 | MPa | Based on Internal Testing |
Thermal Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Melting Temperature | 150-165 | °C | ISO 11357 |
|
Heat Deflection Temperature (HDT/A, 1.8 MPa) |
~150 | °C | ISO 75-1 |
| Coefficient of Linear Thermal Expansion | 10-20 | x 10-6/K | ISO 11359 |
Other Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Density | 1.11±0.01 | g/cm³ | ISO 1183 |
| Specific Gravity | ~1.11 | - | ISO 1183 |
| Flammability (UL 94) | HB | - | UL 94 |
| Moisture Absorption (24 hours) | 0.01-0.03 | % | ISO 62 |
| Shrinkage Rate (Mold Shrinkage) | 0.8-1.2 | % | ASTM D-955 |
| Vibration Damping (Logarithmic Decrement) | 0.05 - 0.10 | - | ASTM E756 |
Chemical Resistance (Typical)
LFT-G® PP LGF30 exhibits good resistance to the following automotive fluids relevant to cooling fan applications:
- Common Engine Coolants (e.g., Ethylene Glycol based) - Excellent
- Water and Humidity - Excellent
- Anti-freeze Solutions - Excellent
- Road Salts - Good
- Diluted Acids and Bases - Fair to Good (Consult specific chemical compatibility charts)
Processing Information (Typical)
Recommended processing conditions for LFT-G® PP LGF30 for injection molding of cooling fan components:
- Melt Temperature: 200-240 °C
- Mold Temperature: 30-60 °C
- Injection Speed: Medium to High (to ensure good fiber orientation)
Notes and Supplementary Information:
Data Source: This data is compiled based on typical values found in publicly available datasheets from Xiamen LFT-G® PP LGF30 material manufacturers and international testing standards. Fatigue strength is based on internal testing. Data regarding long-term heat aging performance and UV resistance is available upon request. LFT-G® PP LGF30 exhibits excellent vibration damping properties, crucial for minimizing noise in cooling fan applications. Please consult specific regulatory compliance documentation for automotive standards relevant to cooling fan components. For precise and specific data for your program, please consult the datasheet provided by our material expert.
Download Complete LFT PP Data Sheet PDF
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