Engineering Materials
Exterior Materials That Maximize Safety, Efficiency, and Design Value
Overview
Automotive exterior parts do far more than simply cover the body. They absorb impact during driving to protect passengers, withstand extreme conditions such as severe cold or high heat without deformation, and deliver precision molding that elevates design quality and reinforces brand value. At the same time, manufacturers demand sustainability and efficiency throughout the production process.
LG Chem’s advanced engineering materials provide a comprehensive solution to these challenges. Our high-performance material portfolio combines lightweight design, durability, premium surface quality, and sustainability—delivering new value for both OEMs and end consumers.
Why LG Chem’s Engineering Materials?
Impact Protection & Structural Stability
- • Minimizes damage from external impacts with high impact strength and stiffness
- • Enhances crash safety and structural reliability
Lightweight Efficiency
- • Reduces vehicle weight and improves fuel economy with low-density materials
- • Extends EV driving range and increases energy efficiency
Durability in Extreme Environments
- • Maintains material stability in high heat, severe cold, and UV exposure
- • Minimizes quality deformation over long-term use
Design Freedom & Premium Aesthetics
- • High flow enables precise molding of complex geometries
- • Premium exterior enabled by diverse surface finishes such as high-gloss and low-gloss
Sustainable Solution
- • Offers material options including PCR, Bio Based, Bio Circular Balanced
- • Supports ESG initiatives and strengthens sustainable brand positioning
Bumper Module
Application Areas
Customer Value
Improved Fuel/Electric Efficiency through Lightweighting
Reduces vehicle weight by using materials lighter than metal, improving EV driving range and fuel efficiency
Enhanced Collision Safety
Ensures passenger safety by effectively absorbing energy during external impacts due to high-impact and high-rigidity properties
Realization of Premium Design Quality
Delivers sophisticated designs by enabling complex shapes and high-gloss exteriors through high flowability and excellent plateability
Improved OEM Production Efficiency
Facilitates process simplification and mass production with excellent injection moldability and plating suitability
Key Features
PA(LUMID), PC(LUPOY)
| Property | Details |
|---|---|
| Lightweight Design | Reduced density compared to metal for overall vehicle weight reduction |
| High Impact & High Rigidity | Absorbs external impacts and enhances structural stability |
| High Flowability | Enables uniform molding of complex shapes and thin walls |
| Plating Capability | Delivers consistent surface quality and high-gloss finish, supports diverse color options |
| Environmental Resistance | Maintains quality without deformation or cracking under temperature and humidity variations |
Sustainable Solution
- M-PCR PC/ABS
- ABS/M-PCR PC
- M-PCR PC/Si-PC
Head Lamp
Application Areas
Customer Value
- Achieves a premium appearance with excellent surface quality
- Ensures dimensional stability for precise assembly and consistent optical performance
- Enables accurate molding of complex shapes thanks to high-flow characteristics
- Provides durability with strong impact resistance even in low-temperature environments
- Maintains quality over long-term use with UV and heat stability
Key Features
PC(LUPOY), PA66(LUMID), PP Compound(LUPOL), PBT(LUPOX, LUMAX)
| Property | Details |
|---|---|
| Excellent Surface Quality | High gloss and premium appearance |
| Dimensional Stability | Precise assembly and optical consistency |
| Low-Temperature Impact Resistance | Durable even in harsh cold environments |
| High Flowability | Accurate molding of complex shapes |
| Heat & UV Stability | Maintains quality under heat and UV exposure |
Sustainable Solution
- M-PCR PC
- C-PCR PBT
- M-PCR PA6-GF
- M-PCR PBT/ASA-GF
Side Mirror
Application Areas
Customer Value
- Improves fuel efficiency and EV performance through lightweight design
- Enhances safety by minimizing damage from external impacts
- Reduces vibration for stable and clear visibility
- Enables diverse designs with precise assembly accuracy
Key Features
PA66(LUMID)
| Property | Details |
|---|---|
| Lightweight | Improves efficiency by reducing vehicle weight |
| High Impact Resistance | Prevents damage from external impacts |
| High Rigidity | Suppresses vibration and ensures structural stability |
| Precision Moldability | Enables complex shape implementation |
Sustainable Solution
- M-PCR PC/ABS
- ABS/M-PCR PC
- M-PCR PA-GF
Wiper
Application Areas
Customer Value
- Stable operation without damage from impacts
- Performance maintained despite rain, UV rays, and temperature changes
- Enables slim and sophisticated designs
Key Features
PBT(LUPOX)
| Property | Details |
|---|---|
| Impact Resistance | Prevents damage from external shocks |
| Weatherability | Durable against UV rays, moisture, and temperature changes |
| High Strength | Ensures structural stability over long-term use |
| Precision Moldability | Allows for the creation of slim and intricate shapes |
Wheel
Application Areas
Customer Value
- Stability without vibration, even during high-speed driving
- Long-term use without damage from external impacts
- Lightweight design improves EV driving range
- Achieves a luxurious appearance and precision molding
Key Features
PA66(LUMID)
| Property | Details |
|---|---|
| Lightweight | Improves energy efficiency by reducing vehicle weight |
| High Impact Resistance | Prevents damage from external impacts |
| Dimensional Stability | Maintains secure assembly even at high speeds |
| Excellent Surface Quality | Delivers high-gloss finish and precise molding |
Sustainable Solution
- M-PCR PA/PPO
- M-PCR PC/ABS
Door
Application Areas
Customer Value
- Improves fuel economy and extends EV driving range through lightweighting
- Extends product lifespan with UV stability and high impact strength
- Achieves a premium design with a high-gloss exterior
- Maintains stable performance even in high-temperature environments
Key Features
PA6,PA66(LUMID) PBT(LUPOX, LUMAX), mPPE(LUMILOY), PP Compound(LUPOL), Styrenics Reinforced(LUPOS), PC(LUPOY), TPC-ET(KEYFLEX)
| Property | Details |
|---|---|
| Lightweight | Improves fuel efficiency by reducing weight |
| UV Stability | Prevents discoloration and degradation from ultraviolet rays |
| Excellent Surface Quality | Creates a high-gloss, uniform appearance |
| High Impact Strength | Ensures safety with a structure resistant to impact |
| High Heat Resistance | Maintains material properties in high-temperature environments |
Sustainable Solution
- M-PCR PC/ABS
- M-PCR PC/PBT
- Bio based TPEE
Roof Rack
Application Areas
Customer Value
- Enhances load stability with high rigidity and impact resistance
- Achieves harmonious vehicle design through dimensional stability and design flexibility
- Reduces vehicle weight and improves fuel efficiency through lightweight design
- Supports lightweight vehicle design through low-density materials
Key Features
PA6(LUMID), PP Compound(LUPOL), PBT(LUPOX), PC(LUPOY)
| Property | Details |
|---|---|
| Lightweight | Improves fuel efficiency and transport efficiency by reducing weight |
| Dimensional Stability | Maintains shape despite changes in heat and external environment |
| High Stiffness | Enhances durability by securing structural strength |
| High Impact Strength | Strengthens safety with impact-resistant materials |
| Low Density | Allows for suitable material choices for lightweight design |
| High Heat Resistance | Maintains stable performance in high-temperature environments |
Sustainable Solution
M-PCR PA6-GF/MF
Sunroof
Application Areas
Customer Value
- Maintains structural stability during opening and closing
- Enables implementation of various designs
- Ensures long-term quality with UV stability
- Enhances luxury feel and durability with a low-gloss surface
Key Features
PA66(LUMID), PP Compound(LUPOL), PBT(LUPOX), PC(LUPOY)
| Property | Details |
|---|---|
| UV Stability | Prevents discoloration and degradation from UV rays |
| Resilience | Maintains shape recovery after repeated openings and closings |
| High Impact Strength | Ensures stability without breaking upon impact |
| Lightweight | Improves fuel efficiency and optimizes structure by reducing weight |
| Dimensional Stability | Maintains shape despite changes in heat and external environments |
| High Stiffness | Enhances durability by securing structural strength |
| Low-Gloss Surface | Resists scratches and contamination while providing a luxurious look |
Tail Light
Application Areas
Customer Value
- Maintains quality even under high-temperature and UV exposure
- Enables diverse designs through precision molding
- Ensures long-term stability without deformation
Key Features
PBT(LUPOX, LUMAX), PA66(LUMID), PP Compound(LUPOL), PC(LUPOY)
| Property | Details |
|---|---|
| High Heat Resistance | Maintains properties even under high temperatures |
| UV Stability | Prevents discoloration and degradation from UV exposure |
| Excellent Surface Quality | Achieves high-gloss and uniform appearance |
| Dimensional Stability | Retains shape despite heat and environmental changes |
| High Flowability | Enables precise molding of complex shapes |
Sustainable Solution
- M-PCR PC/ABS
- ABS/M-PCR PC
- M-PCR PC/PET-MF
Trunk & Tail Assembly
Application Areas
Customer Value
- Reduces vehicle weight to improve fuel economy and structural efficiency
- Ensures quality consistency with dimensional stability and excellent surface quality
- Achieves a premium design with a high-gloss appearance
- Improves production efficiency by optimizing the painting process
Key Features
PC(LUPOY)
| Property | Details |
|---|---|
| Lightweight | Improves fuel efficiency and optimizes structure |
| Dimensional Stability | Maintains shape despite heat and environmental changes |
| Excellent Surface Quality | Achieves high-gloss and uniform appearance |
| Paintability | Optimizes painting process, enhancing adhesion and durability |
Fuel Door Cover
Application Areas
Customer Value
- Reduces fire risk by preventing static electricity buildup
- Enables consistent quality and cost-efficient manufacturing through uniform coating
- Delivers stable performance even in high-temperature environments
- Improves fuel efficiency and lowers carbon emissions through lightweight design
Key Features
CNT Compound(LUCON), PP Compound(LUPOL), PBT(LUPOX)
| Property | Details |
|---|---|
| Conductivity | Prevents static buildup and supports electrostatic painting processes |
| Electrostatic Paintability | Ensures uniform paint quality and reduces paint waste |
| High Heat Resistance | Maintains material properties in high-temperature environments near the engine |
| Lightweight | Optimizes structure and improves fuel efficiency |
| Dimensional Stability | Maintains shape despite thermal and external environmental changes |
| Excellent Surface Quality | Achieves a high-gloss, uniform appearance |
Frequently Asked Questions
1. What roles do LG Chem’s engineering materials play in automotive exterior parts?
LG Chem’s engineering materials are applied to a wide range of exterior components such as bumpers, wheels, side mirrors, and headlamps, delivering lightweight design, impact protection, heat and UV stability, and premium surface quality.
This enables OEMs to achieve greater design flexibility and production efficiency, while consumers experience enhanced safety and a refined, premium look.
2. How does lightweighting benefit vehicles?
Using materials lighter than metal reduces vehicle weight, improving fuel economy and EV driving range. It also enables integrated part designs, enhancing assembly efficiency and productivity.
3. What advantages do LG Chem’s exterior materials offer in terms of eco-friendliness and sustainability?
LG Chem applies PCR (Post-Consumer Recycled), Bio Circular-balanced materials to help reduce carbon emissions, meet regulatory requirements, and achieve ESG goals.
This enables OEMs to implement production strategies using recycled and renewable feedstocks, while consumers experience vehicles that embody recycled content and lightweighting benefits.
LG Chem’s Engineering Materials can extend beyond EV into a wide range of mobility sectors.
Beyond EV
UAM
Improves aircraft stability and fuel efficiency with lightweight, high-stiffness materials
Aerospace
Applicable to cabins and exterior parts that require high-temperature and UV stability
Micromobility
Enhances driving efficiency and safety through lightweighting and durability
Mass Transportation
Improves safety and maintenance efficiency with durable exterior materials