🧪 Comprehensive Guide to Hypalon® Alternatives
Why YQXPOLYMER CSM Is the Ideal Successor to the Discontinued Hypalon®
- 📉 The Background: Why Hypalon® Was Discontinued
Hypalon® (Chlorosulfonated Polyethylene, CSM), originally developed by DuPont, was once a gold standard in synthetic rubber for its:
- 🌡 Extreme temperature resistance
- 🧪 Excellent chemical and UV resistance
- ⚙️ High mechanical durability

However, DuPont discontinued Hypalon® production in 2010, leaving a significant gap in industries such as:
- Automotive & rail
- Marine & aerospace
- Roofing membranes & chemical liners
- Cable sheathing & protective coatings
- 🔄 The Challenge: Finding Suitable Replacements
The top Hypalon® alternative rubbers include:
| Material | Full Name | Pros | Cons |
| CSM | Chlorosulfonated Polyethylene | Closest match to Hypalon®, excellent weather, ozone, chemical resistance | Moderate cost |
| EVM | Ethylene-Vinyl Acetate-Maleic Anhydride | Good heat & oil resistance | Lower mechanical strength |
| FKM | Fluoroelastomer | Excellent heat & chemical resistance | High cost |
| CR | Chloroprene Rubber (Neoprene) | Good durability & weather resistance | Lower chemical resistance |
Conclusion: Only CSM provides a well-balanced performance and cost profile similar to Hypalon®.
- ✅ Why Choose CSM from YQXPOLYMER?
YQXPOLYMER offers advanced CSM rubber formulations with enhanced durability, consistent quality, and scalable supply.
📌 Product Advantages:
- Full compatibility with Hypalon® formulations
- Ozone, UV, and chemical resistance
- Working temp range: –40°C to +160°C
- Flame-retardant and marine-grade options
- Customization support for OEMs
📦 Supply Strength:
- 🏭 Capacity: 5,000+ MT/year
- 🔍 Quality controlled production
- 🚚 Fast delivery across Asia, Europe, and Americas
Explore our full product line: YQXPOLYMER CSM Rubber Grades
- 🛠 Application Guide by Grade
| YQXPOLYMER CSM Grade | Key Feature | Applications |
| CSM 45 | General purpose | Hoses, cable jackets, roofing |
| CSM 60 | High strength | Rollers, seals, molded parts |
| CSM FR | Flame retardant | Rail interiors, wire insulation |
| CSM ChemRes | Chemical resistant | Liners, chemical tanks |
| CSM Marine | Salt & UV resistance | Marine covers, inflatable boats |
- 🧭 Conclusion: Make the Smart Switch to YQXPOLYMER CSM
YQXPOLYMER’s next-gen CSM is the most capable successor to Hypalon®, delivering top performance in thermal stability, weathering, and chemical resistance.
We offer formulation guidance, global shipping, and long-term partnership support for your material transition.
📩 Contact YQXPOLYMER Today
Let us help you with the right CSM solution.
📬 Email: [email protected]
📞 Phone / WeChat: +86-135-4070-2776 | +86-135-8634-6868
🌐 Website: www.yqxpolymer.com
📍 Address: No. 2088, Jiuliting Avenue, Caoqiao Street, Pinghu City, Zhejiang Province, China


