LFT-G® PP GF50 (LGF50) –Metal Replacement

LFT-G® PP GF50 (LGF50) –Metal Replacement

Details
LFT-G® PP GF50 (Model: LFT-PP-LGF50-NG05) is the apex of structural Polypropylene. By densely reinforcing a highly crystalline polypropylene matrix with 50% continuous long glass fiber, this engineered composite achieves an immense flexural modulus exceeding 11,000 MPa, directly rivaling light metal alloys.
√11,000 MPa Extreme Modulus
√Superior NVH Dampening
√Zero Moisture Absorption
√Direct Aluminum Replacement
Category
PP LGF Compound
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Description
Technical Parameters

LFT-G® PP 50% Long Glass Fiber Polypropylene

LFT long fiber composite VS short fiber composite right-1While standard short glass fiber pp shatters under heavy loads, our PP+50%LGF material with continuous pultrusion technology preserves a 10-12mm internal 3D fiber skeleton. This ensures total structural integrity, exceptional fatigue resistance, and zero moisture absorption, making LFT-G® PP LGF50 the ultimate metal replacement for severe industrial environments.

 

 Core Advantages:

  • Extreme Structural Rigidity: 11,000 MPa flexural modulus effortlessly replaces cast aluminum components.
  • Hydrophobic Stability: Zero moisture absorption guarantees constant dimensions, unlike Nylon (PA6/PA66).
  • Aerospace-Grade Weight Savings: Low density of 1.32 g/cm³ cuts part mass by over 40% versus metals.
  • Fatigue Mastery: 3D continuous fiber mesh prevents crack propagation under intense vibrations.
 

The NVH & Resonance Control Paradigm

Modern OEMs demand silent operation. Discover how replacing metal with our 50% LGF matrix solves Noise, Vibration, and Harshness (NVH) issues.

Die-Cast Aluminum & Steel
(Traditional Baseline)

❌ High Frequency Vibration:
- Transmits acoustic ringing and mechanical noise.
- Requires heavy rubber dampening pads.
- NVH Performance: POOR

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LFT-G® PP GF50 (LGF50)
(Model: LFT-PP-GF50-NG05)

✅ Acoustic & Shock Absorption:
- 50% fiberglass skeleton absorbs kinetic shockwaves.
- Inherently deadens structural resonance and motor noise.
- NVH Performance: EXCELLENT

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Typical Material Properties (LFT-PP-LGF50-NG05)

The following values are typical data for LFT-G® PP LGF50 and are for reference only. Data is for Dry-As-Molded (DAM) state. Please contact us for the official Technical Data Sheet (TDS).

Mechanical Properties

Property Test Method Value (DAM)
Tensile Modulus ISO 527 11,500 MPa
Tensile Strength ISO 527 148 MPa
Flexural Modulus ISO 178 11,000 MPa
Flexural Strength ISO 178 208 MPa
Notched Izod Impact (23°C) ISO 180/A 42-46 kJ/m²

Thermal & Physical Properties

Property Test Method Value
Density ISO 1183 1.32 g/cm³
HDT (0.45 MPa) ISO 75 162 °C
HDT (1.80 MPa) ISO 75 159 °C
Mold Shrinkage ISO 294-4 0.1 - 0.3 %

 

 

 

Processing Information

The following values are standard processing recommendations. To protect the critical 50% long glass fiber network from shearing and fiber attrition, always use a low-compression screw, back pressure under 50 psi, and generous gating.

Parameter Recommendation
Drying Temperature 80 - 100 °C
Drying Time 2 - 3 hours
Rear / Feed Zone (Zone ①) 200 - 220 °C
Center / Melt Zone (Zone ②) 220 - 250 °C
Front / Nozzle Temp (Zone ③) 230 - 250 °C
Mold Temperature 40 - 80 °C

Injection molding Process info for LFT-G Materials

 

Multi-Industry Application Cases

Automotive Front End Module PP LGF50 NG05

Automotive Front-End Modules

Vehicle front-ends require maximum functional rigidity to support critical components under continuous vibration. LFT-G® PP LGF50 replaces die-cast metal sub-frames, delivering massive weight reduction, perfect acoustic dampening, and exceptional crash energy absorption.

Washing Machine Plastic Drum Bracket PP LGF50

Washing Machine Structural Units

Flawlessly optimized for washing machine plastic part manufacturing, such as bearing spiders and outer tubs. The dense 50% fiber skeleton guarantees zero moisture expansion and eliminates high-speed spin cycle resonance, drastically outperforming nylon in wet environments.

Industrial Water Pump Housing PP LGF50

Industrial Fluid Systems & Pumps

Heavy-duty fluid equipment requires strict corrosion immunity and zero deformation under extreme pressure. LFT-G® PP LGF50 replaces cast iron housings, preventing leakage and water-hammer cracking while instantly lowering total component cost.

Frequently Asked Questions (FAQ)

Q: Is 50% fiber loading too difficult to injection mold?

A: While standard molding machines work, a 50% fiber volume requires parameter adjustments. We strongly advise dropping back-pressure under 50 psi and using low-compression screws. This protects the long glass fiber structure, ensuring the final part achieves its true 11,000 MPa modulus.

Q: How does LFT-G® PP LGF50 compare to PA66 GF50 in metal replacement?

A: The critical advantage is moisture immunity. Nylon 66 (PA66) absorbs water, severely lowering its strength and causing dimensional warping. LFT-G® PP LGF50 absorbs zero moisture, ensuring consistent structural rigidity and precise fitment in highly humid or submerged conditions.

Q: Can it truly replace die-cast Aluminum?

A: Yes. With a flexural modulus exceeding 11,000 MPa, it matches the functional rigidity needed for complex brackets and structural frames. By switching to LFT-G® PP LGF50, manufacturers completely eliminate costly CNC machining and anti-corrosion treatments.

LFT-G High Performance PP GF50 Eliminate Heavy Metal Limitations Today

Stop settling for high CNC costs and heavy assemblies. Contact the LFT-G® engineering team for material selection and NVH dampening insights.

Request LFT-G® PP LGF50 Quote

 

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