Lightweight & Design-Friendly LFT PP for Automotive Instrument Panel Skeletons

Mar 28, 2025

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Lightweight & Design-Friendly LFT PP for Automotive Instrument Panel Frame

The instrument panel, or dashboard, is a crucial component in any vehicle, providing structural support for various systems while also contributing to the overall weight. Long Fiber Thermoplastic Polypropylene (LFT PP) offers a compelling solution for instrument panel skeletons by delivering significant lightweighting and unprecedented design freedom. The exceptional strength-to-weight ratio of LFT PP, achieved through the reinforcement of a polypropylene matrix with continuous long glass/carbon fibers, allows for the creation of lighter components compared to traditional materials like metal or heavier plastics. This weight reduction directly translates to improved fuel efficiency in combustion engine vehicles and an extended driving range for electric vehicles, enhancing overall vehicle performance and sustainability. The reduced mass can positively impact handling and responsiveness.

 

Beyond its light weighting capabilities, LFT PP provides remarkable design flexibility for instrument panel skeletons. Its excellent moldability enables the creation of complex geometries and highly integrated designs, allowing for the consolidation of multiple functions into a single part. This integration can include features like ventilation ducts, wire harness routing channels, and mounting points for various electronic components, leading to simplified manufacturing processes, reduced assembly costs, and improved reliability due to fewer parts. The design freedom afforded by LFT PP also allows for more ergonomic and aesthetically pleasing interior designs, optimizing airflow, control layouts, and overall cabin comfort. By utilizing LFT PP, automotive manufacturers can create innovative and efficient instrument panel skeletons that meet the demands of modern vehicle design while contributing to a lighter, more sustainable, and enhanced driving experience.

car-interior-dashboard frame By PP LGF material

 

 

 

Benefits of LFT-G® PP LGF30®  For Automotive Dashboard Part

 

  • Exceptional strength-to-weight ratio for lightweighting
  • Remarkable design flexibility for instrument panel skeletons
  • Reinforced product dimensional stablility
  • Complete molding design&injection guide
  • Improved production efficiency& Shorten product cycle
  • Superior structure properties

 

 

Contact With Material Expert

 

 

 

 

 

Material Comparison for Automotive Instrument Panel Applications


 

 

Property 

Data

LFT-G® PP

(30/40% LGF)

Steel (Mild

/High Strength)

Aluminum Alloy

PP-GF

(Short Fiber 

20/30%GF)

PC/ABS

Blend (Typical)

Density (g/cm³) 1.05 - 1.25 7.85 2.70 1.00 - 1.20 1.10 - 1.20

Tensile Strength

(MPa)

80 - 140 400 - 700+ 240 - 310 50 - 90 50 - 70

Flexural Modulus

(GPa)

4 - 8 200 - 210 69 - 73 2 - 4 2.2 - 2.7
Impact Strength Notched(KJ/m2) 35 - 49 Varies widely Varies widely 22 - 25  20 - 40

Thermal Expansion

(10⁻⁶/°C)

60 - 90 11 - 13 23 - 24 70 - 100 70 - 90
Processing Method Injection Molding Stamping, Welding Casting, Extrusion Injection Molding Injection Molding
Key Advantages Lightweight, Design Freedom, Integrated Features, Good NVH

High Strength,

Stiffness, 

Lightweight, Corrosion Resistant, Good Formability Cost-Effective, Good Processability   Impact Resistance
Key Disadvantages Higher Cost than Virgin PP High Weight, Corrosion Susceptibility, Design Limitations Higher Cost VS Steel, Lower Strength VS Steel

Lower Strength than

LFT PP, Limited

Design Freedom

more expensive than ABS

Note: Data represents typical values and may vary based on specific grades and formulations. Always consult material datasheets for accurate specifications.

 

Download PP LGF30 Data Sheet PDF

 

 

 

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