Chlorohydrin Rubber CO/ECO/PECO/GECO
Advanced Epichlorohydrin Elastomers for High Performance Sealing Applications
YQXPOLYMER™ provides a complete range of chlorohydrin rubber solutions including CO, ECO, PECO and GECO grades, designed for demanding applications requiring excellent fuel resistance, oil resistance, ozone resistance, low gas permeability and long-term sealing reliability.
- Introduction
What is Chlorohydrin Rubber?
Chlorohydrin rubber, also known as epichlorohydrin rubber (ECH rubber), is a specialty synthetic elastomer produced from epichlorohydrin-based polymers.
Due to its unique polyether backbone and chlorine-containing molecular structure, chlorohydrin rubber provides an excellent combination of:
- Excellent oil resistance
- Superior fuel resistance
- Low gas permeability
- Outstanding ozone resistance
- Good weather resistance
- Excellent low-temperature flexibility
- Stable dynamic sealing performance
Compared with conventional elastomers such as NBR and CR, chlorohydrin rubber offers improved performance in demanding sealing environments, especially automotive fuel systems and industrial fluid applications.
- Product Portfolio
YQXPOLYMER™ Chlorohydrin Rubber Series
|
Grade |
Chemical Structure |
Main Characteristics |
|
CO |
Epichlorohydrin Homopolymer |
Maximum oil resistance and gas barrier performance |
|
ECO |
Epichlorohydrin-Ethylene Oxide Copolymer |
Balanced fuel resistance and low-temperature flexibility |
|
PECO |
Epichlorohydrin-Ethylene Oxide-Propylene Oxide Terpolymer |
Enhanced flexibility and elasticity |
|
GECO |
Epichlorohydrin-Ethylene Oxide-Allyl Glycidyl Ether Terpolymer |
Improved curing performance and dynamic sealing |
- CO Series
YQX-CO™
Epichlorohydrin Homopolymer
Maximum Fuel Barrier and Chemical Resistance
CO rubber is a homopolymer based on epichlorohydrin, offering excellent resistance to petroleum oils, fuels and gases.
Key Advantages
✓ Excellent fuel resistance
✓ Low gas permeability
✓ Good ozone resistance
✓ Stable mechanical properties
✓ Long-term sealing reliability
Typical Applications
- Fuel hoses
- Oil-resistant hoses
- Mechanical seals
- O-rings
- Industrial gaskets
- Special cable jackets
- Refrigeration components
Typical Technical Data
|
Property |
Value |
|
Mooney Viscosity |
40 / 50 / 60 |
|
Chlorine Content |
36–38% |
|
Ash Content |
<1% |
|
Moisture |
<1% |
|
Density |
1.30 ±0.10 |
- ECO Series
YQX-ECO™
Epichlorohydrin-Ethylene Oxide Copolymer
Balanced Performance for Automotive and Mobility Applications
ECO is the most widely used chlorohydrin rubber grade, providing an excellent balance between:
- Fuel resistance
- Low-temperature flexibility
- Heat resistance
- Ozone resistance
International applications include automotive fuel hoses, oil hoses, diaphragms and vibration control components.
Key Advantages
✓ Excellent gasoline and diesel resistance
✓ Superior low-temperature flexibility
✓ Good ozone resistance
✓ Excellent dynamic fatigue performance
✓ Semi-conductive characteristics
Typical Applications
Automotive
- Fuel hoses
- Oil cooler hoses
- Air intake ducts
- Fuel pump diaphragms
- Vibration mounts
EV Applications
- Battery cooling system seals
- Thermal management components
- Coolant system O-rings
Technical Data
|
Property |
Value |
|
Mooney Viscosity |
40 / 50 / 60 |
|
Chlorine Content |
24–27% |
|
Ash Content |
<1% |
|
Moisture |
<1% |
|
Density |
1.20 ±0.10 |
- PECO Series
YQX-PECO™
Epichlorohydrin-Ethylene Oxide-Propylene Oxide Terpolymer
PECO provides improved flexibility and elasticity while maintaining the chemical resistance advantages of chlorohydrin polymers.
Key Advantages
- Excellent elasticity
- Good cold resistance
- Balanced oil resistance
- Improved flexibility
Applications
- Industrial sealing
- Special hoses
- O-rings
- Refrigeration components
- Flexible rubber parts
Technical Data
|
Property |
Value |
|
Mooney Viscosity |
40 / 50 / 60 |
|
Chlorine Content |
12–18% |
|
Density |
1.20 ±0.10 |
- GECO Series
YQX-GECO™
Epichlorohydrin-Ethylene Oxide-Allyl Glycidyl Ether Terpolymer
GECO incorporates reactive allyl glycidyl ether segments, improving curing efficiency and dynamic performance.
Key Advantages
✓ Improved vulcanization characteristics
✓ Excellent compression resistance
✓ Good fuel and ozone resistance
✓ Superior dynamic sealing performance
Applications
- Automotive seals
- O-rings
- Printer rollers
- Industrial gaskets
- Dynamic sealing components
Technical Data
|
Property |
Value |
|
Mooney Viscosity |
40–60 |
|
Chlorine Content |
13–24% |
|
Ash Content |
<1% |
|
Moisture |
<1% |
|
Density |
1.20 ±0.10 |
- Material Comparison
Chlorohydrin Rubber vs Other Elastomers
|
Property |
EPDM |
NBR |
CR |
ECO/GECO |
FKM |
|
Fuel Resistance |
Poor |
Good |
Medium |
Excellent |
Excellent |
|
Oil Resistance |
Poor |
Good |
Good |
Excellent |
Excellent |
|
Ozone Resistance |
Excellent |
Poor |
Good |
Excellent |
Excellent |
|
Low Temperature |
Excellent |
Medium |
Good |
Excellent |
Poor |
|
Gas Barrier |
Poor |
Medium |
Medium |
Excellent |
Excellent |
|
Cost |
Low |
Medium |
Medium |
Medium |
High |
- Application Solutions
Automotive Mobility Solutions
Fuel System
Chlorohydrin rubber is widely used in fuel system components requiring:
- Low fuel vapor transmission
- Chemical resistance
- Long service life
Applications:
- Fuel hose
- Fuel pump diaphragm
- Fuel system seals
EV Thermal Management Solutions
Reliable Sealing Materials for New Energy Vehicles
With increasing requirements for EV thermal management systems, elastomer materials need:
- Coolant resistance
- Low-temperature flexibility
- Long-term compression stability
YQX Chlorohydrin Rubber can support:
- Battery cooling seals
- Thermal management O-rings
- Cooling circuit components
Industrial Applications
Applications:
- Hydraulic seals
- Compressor components
- Refrigeration systems
- Chemical-resistant gaskets
- Industrial hoses
- Processing and Compound Design
YQXPOLYMER supports customized elastomer solutions including:
- Sulfur curing systems
- Peroxide curing systems
- Carbon black reinforcement
- Customized hardness
- Customized compound development
Typical hardness:
50–80 Shore A
Typical service range:
-40°C to +125°C
Special grades:
up to +135°C
- Why Choose YQXPOLYMER™
Advanced Polymer Technology Partner
YQXPOLYMER combines:
Specialty Polymer Development
- Melamine resins
- Modified epoxy systems
- Functional polymers
- Specialty elastomers
Application Experience
- Automotive materials
- EV thermal management
- Industrial sealing
- High-performance polymer solutions
Global Supply Capability
- Technical support
- Customized grades
- International logistics
- Product Documents
Download:
- CO Technical Data Sheet
- ECO Technical Data Sheet
- GECO Technical Data Sheet
- Safety Data Sheet (SDS)
- Chlorohydrin Rubber Application Guide
- Call To Action
Looking for High Performance Elastomer Solutions?
Contact YQXPOLYMER™ for:
- Material selection support
- Sample evaluation
- Customized elastomer development
Request Sample | Contact Technical Team