YQXPolymer Specialty Elastomers

Technical Resource

CSM vs. EPDM vs. NBR: Why CSM / Hypalon® is the Superior Synthetic Rubber

CSM vs. EPDM vs. NBR: Why CSM / Hypalon® is the Superior Synthetic Rubber

Introduction: Choosing the Right Synthetic Rubber

In demanding industries such as automotive, marine, and chemical processing, the type of rubber used determines safety, longevity, and efficiency. While EPDM and NBR are widely used, CSM (Chlorosulfonated Polyethylene, known as Hypalon®) consistently outperforms both in key areas. At YQXPOLYMER, we provide high-quality CSM products that meet rigorous industrial standards.

🔍 Key Parameter Comparison

Property CSM / Hypalon® EPDM NBR
Chemical Resistance Excellent – resists acids, bases, ozone, oxidizers Poor – not suited for oils or acids Excellent oil & fuel resistance, poor chemical range
Weather & UV Resistance Outstanding – long-term outdoor durability Good – prone to shrinking over time Limited – degrades with ozone or UV exposure
Temperature Range (°C) -40 to +120 -50 to +130 -30 to +100
Tensile Strength High Moderate Good
Flexibility at Low Temp Excellent Excellent Moderate
Aging / Ozone Resistance Excellent Very good Poor
Oil Resistance Good Poor Excellent
Flame Resistance Good (self-extinguishing) Poor Moderate
Applications Cable jackets, hoses, gaskets, covers, marine uses Seals, automotive weather strips, roofing membranes Fuel hoses, gaskets, oil-resistant gloves

✅ Why CSM / Hypalon® Wins

  • Balanced resistance: Unlike EPDM and NBR, CSM offers a well-rounded resistance to both chemical and environmental factors.
  • Durability: With excellent UV, ozone, and heat resistance, it’s ideal for outdoor and high-risk environments.
  • Mechanical reliability: Maintains flexibility and tensile strength across a wide temperature range.

🧰 Ideal Applications for CSM Rubber

  • Industrial hoses and tubing
  • Chemical-resistant linings and tank seals
  • Marine and inflatable structures
  • Cable jacketing and insulation
  • Automotive weather-resistant parts

🌍 YQXPOLYMER: Your Trusted CSM Supplier

  • 🔒 Consistent quality control
  • 🛠 Custom formulation services
  • 🌐 Global export and OEM/ODM capabilities
  • 🌱 Materials tested for long-term safety and performance

📞 Contact YQXPOLYMER Today
Let us help you select the best elastomer solution for your next project.
🌐 Website: www.yqxpolymer.com
📧 Email: [email protected]
📞 Phone/WhatsApp: +86-28-8411-1861