Automotive Elastomer Solutions for Fuel Systems, Sealing and EV Thermal Management
Advanced Elastomer Technologies for Next-Generation Mobility
Introduction
The automotive industry is experiencing a fundamental transformation.
From traditional internal combustion vehicles to new energy vehicles (EV), automotive systems are becoming more complex, efficient and demanding.

Modern vehicles require sealing materials that can maintain reliable performance under:
- Chemical exposure
- Temperature fluctuations
- Mechanical stress
- Long service periods
Traditional rubber materials may no longer satisfy all requirements in advanced automotive applications.
Automotive manufacturers and component suppliers increasingly need:
- Higher chemical resistance
- Lower permeability
- Better compression recovery
- Improved aging resistance
- Longer service life
YQXPOLYMER™ provides advanced elastomer solutions designed for demanding automotive, EV thermal management and industrial sealing applications.
The Growing Importance of High Performance Elastomers in Automotive Applications
New Challenges in Modern Vehicle Systems
Automotive components operate in increasingly challenging environments.
A sealing material must not only provide basic sealing performance, but also maintain reliability throughout the entire vehicle lifetime.
- Fuel System Applications
Fuel systems require elastomers capable of resisting:
- Gasoline
- Diesel fuel
- Ethanol blended fuels
- Fuel vapor
- Long-term temperature cycling
Fuel hose and sealing components must control:
- Fuel permeability
- Material swelling
- Mechanical degradation
High performance elastomers help automotive manufacturers achieve improved durability and emission control.
- Automotive Sealing Systems
Sealing components are widely used throughout vehicles:
- O-rings
- Gaskets
- Valve seals
- Connector seals
- Hydraulic sealing parts
These applications require materials with:
- Oil resistance
- Heat aging resistance
- Ozone resistance
- Compression set resistance
Reliable sealing performance is critical for vehicle safety and efficiency.
- Electric Vehicle Thermal Management Systems
Electric vehicles introduce new material challenges.
Battery systems rely on efficient thermal management to maintain:
- Battery temperature control
- Charging performance
- Operating safety
Cooling system seals must withstand:
- Coolant exposure
- Temperature cycling
- Long-term compression
- Chemical compatibility
Advanced elastomers are becoming an important material solution for EV thermal management systems.
YQXPOLYMER™ Advanced Elastomer Portfolio
YQXPOLYMER™ develops specialty elastomer materials based on advanced polymer technology.
Our portfolio includes:
Chlorohydrin Rubber Series
Epichlorohydrin Elastomer Solutions

Designed for automotive and industrial applications requiring excellent:
- Fuel resistance
- Oil resistance
- Low gas permeability
- Temperature stability
- Long-term sealing reliability
Product Portfolio Overview
| Series | Material Technology | Main Advantages |
| CO Series | Epichlorohydrin Homopolymer | Excellent fuel resistance and gas barrier performance |
| ECO Series | Epichlorohydrin-Ethylene Oxide Copolymer | Balanced chemical resistance and flexibility |
| PECO Series | Epichlorohydrin Terpolymer | Excellent low temperature performance |
| GECO Series | Modified Epichlorohydrin Elastomer | Dynamic sealing and durability performance |
CO Series
Fuel Resistant Elastomer Solution
YQX-CO Series is designed for applications requiring maximum resistance against fuel and chemical environments.
Key Advantages
- Excellent fuel resistance
- Low permeability
- Good oil resistance
- Strong aging resistance
Typical Applications
- Automotive fuel hoses
- Fuel system seals
- Oil resistant rubber components
CO Series is suitable for applications where fuel barrier performance is the primary requirement.
ECO Series
Balanced Automotive Elastomer Solution
YQX-ECO Series provides a balanced combination of:
- Fuel resistance
- Oil resistance
- Ozone resistance
- Low temperature flexibility
Typical Applications
- Automotive sealing components
- O-rings
- Fuel system components
- EV cooling system seals
ECO Series is one of the most versatile elastomer solutions for automotive applications.
PECO Series
Low Temperature Flexible Elastomer Solution
YQX-PECO Series is developed for applications requiring reliable flexibility under cold conditions.
Key Advantages
- Excellent low temperature performance
- Good elastic recovery
- Stable sealing capability
Typical Applications
- Cold climate applications
- Flexible sealing components
- Industrial equipment
GECO Series
High Performance Dynamic Sealing Elastomer
YQX-GECO Series provides enhanced dynamic sealing performance.
Key Advantages
- Excellent elastic recovery
- Improved fatigue resistance
- Long-term sealing reliability
Typical Applications
- Automotive O-rings
- Dynamic seals
- EV cooling system sealing components
- Industrial sealing systems
Automotive Application Solutions
Fuel Hose Systems
Recommended Materials:
CO Series
ECO Series
Performance Requirements:
✓ Fuel resistance
✓ Low permeability
✓ Heat aging resistance
✓ Long-term durability
Automotive O-Ring and Seal Applications
Recommended Materials:
ECO Series
GECO Series
Performance Requirements:
✓ Chemical compatibility
✓ Compression resistance
✓ Elastic recovery
✓ Reliable sealing force
EV Battery Cooling System Sealing
Recommended Materials:
ECO Series
GECO Series
Performance Requirements:
✓ Coolant resistance
✓ Thermal cycling stability
✓ Low compression set
✓ Long service life
Elastomer Material Selection Guide
| Application | Recommended Series | Main Performance |
| Fuel Hose | CO / ECO | Fuel resistance and low permeability |
| Fuel System Seal | ECO | Balanced chemical resistance |
| EV Cooling Seal | ECO / GECO | Coolant compatibility and durability |
| Dynamic O-ring | GECO | Elastic recovery and fatigue resistance |
| Cold Environment Seal | PECO | Low temperature flexibility |
Why Choose YQXPOLYMER™?
- Application-Oriented Material Solutions
YQXPOLYMER™ focuses on solving customer application challenges rather than simply supplying polymer materials.
Our technical support includes:
- Material selection
- Performance optimization
- Application evaluation
- Compound recommendation
- Specialty Elastomer Technology
Our elastomer solutions support demanding industries including:
- Automotive
- Electric vehicles
- Industrial equipment
- Energy systems
- Complete Technical Documentation
Customers can receive:
✓ Technical Data Sheets (TDS)
✓ Safety Data Sheets (SDS)
✓ Certificate of Analysis (COA)
✓ Application Selection Guides
Supporting the Future of Mobility
As vehicles continue evolving toward:
- Electrification
- Higher efficiency
- Longer service life
- More advanced thermal management
the demand for reliable elastomer materials will continue increasing.
YQXPOLYMER™ is committed to providing advanced elastomer solutions that enable safer, more efficient and more durable mobility systems.
About YQXPOLYMER™
YQXPOLYMER™ is an advanced elastomer solution provider specializing in high-performance polymer materials.
Our solutions include:
- Chlorohydrin Rubber
- Epichlorohydrin Elastomers
- Specialty Elastomer Materials
- Automotive Sealing Solutions
We support global customers with:
- Material technology
- Engineering support
- Customized elastomer solutions
Related Products
Chlorohydrin Rubber Series
- YQX-CO Series
- YQX-ECO Series
- YQX-PECO Series
- YQX-GECO Series

