PP LGF40 | 40% Long Glass Fiber Reinforced Polypropylene | Structural Composite Solutions
LFT-G® PP LGF40: Advanced Structural Composite
Core Technology Innovation
Fiber Reinforcement System
- 12mm E-glass fibers with tri-layer sizing treatment
- Fiber length retention >92% (ISO 22314:2022)
- 3D orientation control using patented flow-front guidance
- Interfacial shear strength: 38MPa (ASTM D2344-23)
- Fiber diameter distribution: 10-12μm (SEM analysis)
- Moisture content <0.03% (Karl Fischer titration)
Matrix Engineering
- High-flow PP copolymer (MFR 55g/10min @230°C)
- Maleic anhydride grafting level: 0.8-1.2 wt%
- Advanced stabilization system:
- 0.3% phenolic antioxidant
- 0.2% phosphite processing stabilizer
- 0.1% hindered amine light stabilizer
Mechanical Performance Matrix
Static Mechanical Data
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | 141 MPa | ISO 527-2:2023 |
| Flexural Modulus | 6,900 MPa | ISO 178:2021 |
| Compressive Strength | 110 MPa | ASTM D695-23 |
| Poisson's Ratio | 0.36 | ASTM E132-22 |
Dynamic Performance
- Charpy Notched Impact: 39 kJ/m² @-30°C
- Fatigue Limit (R=0.1): 50 MPa @10⁶ cycles
- Creep Strain (1000h/70MPa): 0.15%
- Wear Rate (ASTM G65): 0.9mm³/km
Thermal & Electrical Specifications
Thermal Properties
- HDT @1.8MPa: 158°C
- Continuous Service: -40°C to +135°C
- CTE (23-80°C): 3.5×10⁻⁵/°C
- Thermal Conductivity: 0.32 W/m·K
Electrical Properties
- Dielectric Strength: 25 kV/mm
- Surface Resistivity: 1×10¹⁴ Ω
- Comparative Tracking Index: 550V
Industry Applications
Automotive Structural Components
- 35% weight reduction vs steel solutions
- Vibration damping ratio: 0.12
- Chemical resistance to Li-ion electrolytes
Material Handling Systems
- 3x service life vs traditional polymers
- Impact resistance @-20°C: 85% RT value
- FDA-compliant food contact version
Download Full Technical Data
- Complete Material Datasheet
- Mold Design Guidelines
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