PP LGF30 | 30% Long Glass Fiber Polypropylene | Engineering-Grade Composite
LFT-G® PP LGF30: Engineering-Grade Structural Composite
Core Material Technology
Fiber Reinforcement System
- 10mm E-glass fibers with silane coupling agents (ECR-Glass 240tex)
- Fiber length retention >88% (ISO 22314 process control)
- Optimized fiber orientation through multi-gate injection
- Interfacial bonding strength: 32MPa (ASTM D2344)
- Fiber diameter distribution: 12-15μm (SEM analysis)
- Fiber volume fraction: 30% ±2% (ASTM D3171)
Matrix Optimization
- High-flow PP copolymer (MFR: 25g/10min @230°C)
- Maleic anhydride graft level: 0.6-1.0 wt%
- UV stabilization package: 0.3% HALS + 0.2% antioxidant
- Moisture absorption: <0.05% (ISO 62)
- Nucleating agents for rapid crystallization
- Halogen-free flame retardant additive package
Mechanical Performance Specifications
Static Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | 121 MPa | ISO 527 |
| Flexural Modulus | 5,800 MPa | ISO 178 |
| Compressive Strength | 95 MPa | ASTM D695 |
| Poisson's Ratio | 0.35 | ASTM E132 |
| Hardness (Shore D) | 72 | ASTM D2240 |
Dynamic Properties
- Charpy Notched Impact: 32 kJ/m² @23°C
- Fatigue Endurance Limit: 40MPa @10⁶ cycles
- Creep Modulus: 3,200 MPa @1000h
- Wear Rate: 1.2mm³/km (ASTM G65)
- Coefficient of Friction: 0.18
Thermal & Electrical Performance
Thermal Properties
- HDT @1.8MPa: 152°C
- Continuous Use Temp: -30°C to +120°C
- CTE: 4.2×10⁻⁵/°C
- Thermal Conductivity: 0.28 W/m·K
Electrical Properties
- Dielectric Strength: 22 kV/mm
- Surface Resistivity: 1×10¹³ Ω
- Comparative Tracking Index: 400V
Request Technical Documentation
- Complete Material Datasheet (PDF)
- Processing Guideline Manual
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