PP LGF40|40% Long Glass Fiber Reinforced Polypropylene|Structural Composite Solutions

LFT-G^® PP LGF40: Advanced Structural Composite

• 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)
• <0.03% (Karl Fischer titration)

• High-flow PP copolymer (MFR 55g/10min @230 degree )
• Maleic anhydride grafting level: 0.8-1.2 wt%
• • 0.3% phenolic antioxidant
  • 0.2% phosphite processing stabilizer
  • 0.1% hindered amine light stabilizer

	141 MPa	ISO 527-2:2023
	6,900 MPa	ISO 178:2021
	110 MPa	ASTM D695-23
	0.36	ASTM E132-22

• Charpy Notched Impact: 39 kJ/m² @-30 degree
• Fatigue Limit (R=0.1): 50 MPa @10⁶ cycles
• Creep Strain (1000h/70MPa): 0.15%
• Wear Rate (ASTM G65): 0.9mm³/km

• HDT @1.8MPa: 158 degree
• Continuous Service: -40 degree to +135 degree
• CTE (23-80 degree ): 3.5×10⁻⁵/ degree
• Thermal Conductivity: 0.32 W/m·K

• Dielectric Strength: 25 kV/mm
• Surface Resistivity: 1×10¹⁴ Ω
• Comparative Tracking Index: 550V

• 35% weight reduction vs steel solutions
• Vibration damping ratio: 0.12
• Chemical resistance to Li-ion electrolytes

• 3x service life vs traditional polymers
• Impact resistance @-20 degree : 85% RT value
• FDA-compliant food contact version

 

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