Key Advantages of POE

1. Excellent Elasticity and Flexibility

POEs maintain good elastic recovery (up to 85%) even at high elongation levels (300-500%), outperforming many traditional elastomers.

2. Superior Impact Resistance

Exhibits outstanding low-temperature impact strength (-50°C to -70°C), making it ideal for cold-weather applications.

3. Good Thermal Stability

Maintains properties across a wide temperature range (-60°C to 125°C), with some grades stable up to 135°C.

4. Excellent Weatherability

Inherent UV and ozone resistance without requiring additives, suitable for outdoor applications.

5. Lightweight

Density ranges from 0.86 to 0.91 g/cm³, significantly lighter than many competing materials.

6. Easy Processing

Can be processed using standard thermoplastic equipment (injection molding, extrusion, blow molding).

7. Good Chemical Resistance

Resistant to acids, alkalis, and polar solvents, though not suitable for non-polar solvents.

Main Disadvantages of POE

1. Limited High-Temperature Performance

Maximum continuous use temperature (125-135°C) is lower than some specialty elastomers.

2. Poor Resistance to Hydrocarbons

Swells in contact with oils, fuels, and non-polar solvents, limiting automotive underhood applications.

3. Higher Cost Than Conventional Elastomers

Typically 20-40% more expensive than EPDM or SBR rubbers.

4. Limited Adhesion Properties

Requires surface treatment or special adhesives for bonding to other materials.

5. Lower Compression Set Than Silicones

Not ideal for applications requiring extreme compression set resistance.

6. Limited High-Load Applications

Not suitable for high mechanical load applications compared to some engineering thermoplastics.