7 Key Differences Between Silicone Rubber Seals and EPDM Rubber Seals for Electrical Enclosures

7 Key Differences Between Silicone Rubber Seals and EPDM Rubber Seals for Electrical Enclosures

1. Heat Resistance

• Silicone Rubber Seals : Can withstand extremely high temperatures (up to +220°C / +270°C / +315°C), making them ideal for applications that require high heat resistance.
• EPDM Rubber Seals : Withstands temperatures up to approximately 160°C, suitable for applications that require moderate heat resistance.

2. Cold Resistance

• Silicone Rubber Seals : Can handle extreme cold, withstanding temperatures as low as -70°C, making them perfect for environments with severe temperature fluctuations.
• EPDM Rubber Seals : Tolerates cold temperatures down to about -50°C, which is sufficient for most general weather conditions.

3. Water and Moisture Resistance

• Silicone Rubber Seals : Excellent at sealing against water and moisture with high flexibility, making them ideal for longer-lasting sealing solutions.
• EPDM Rubber Seals : Outstanding at resisting water and moisture penetration, providing effective sealing in electrical enclosures.

4. UV, Ozone, and Environmental Resistance

• Silicone Rubber Seals : Superior resistance to UV and ozone exposure, offering longer durability in harsh environments.
• EPDM Rubber Seals : Also excellent at resisting UV and ozone, but with a shorter lifespan compared to silicone.
  
  

5. Purity

• Silicone Rubber Seals : Offers higher purity, reducing the risk of contamination that could affect internal electrical circuits.
• EPDM Rubber Seals : Less pure compared to silicone, but suitable for general-purpose applications.

6. Chemical Resistance

• Silicone Rubber Seals : Moderately resistant to chemicals.
• EPDM Rubber Seals : Superior chemical resistance to both acids and bases, making it more versatile than silicone for a wider range of environments.

7. Cost

• Silicone Rubber Seals : More expensive due to their exceptional heat and cold resistance, as well as longer lifespan.
• EPDM Rubber Seals : More cost-effective, suitable for general applications where extreme temperature resistance is not required.

Both types of rubber seals have unique strengths that make them suitable for electrical enclosures, depending on your specific needs and environmental conditions.

 

 

For more information on electrical enclosure seals, or to place a custom order, contact AlphaSeals
Line Official Account : @ptiglobal
Tel : 022577145  /  MB : 0982539956 , 0863077319
Email : info@ptigroups.com 
AlphaSeals by PTI Global Products Company Limited