In the world of sealing materials, TPE (Thermoplastic Elastomer) and TPV (Thermoplastic Vulcanizate) are two of the most commonly used options. Both combine the easy processability of plastics with the flexibility of rubber, making them ideal for sealing strips, edge trims, and industrial sealing systems. But how do they differ, and which one suits your project better? Let’s dive into the key comparisons from a professional perspective.
🔍 What Are TPE and TPV?
TPE (Thermoplastic Elastomer)
TPE is a polymer that behaves like rubber but can be processed like plastic. It softens when heated and returns to its original state when cooled. It’s widely used in sealing strips, edge trims, medical tubing, and consumer electronics due to its softness, lightweight, and color flexibility.
TPV (Thermoplastic Vulcanizate)
TPV is a dynamically vulcanized blend of EPDM rubber and polypropylene. It offers superior resistance to aging, compression set, and chemicals, making it ideal for high-demand sealing applications.
🧪 Application Comparison
| Application Area | TPE Advantages | TPV Advantages |
| Automotive Sealing | Soft, flexible, color customizability | High durability, UV and heat resistance |
| Window & Door Sealing | Easy extrusion and cost-effective | Performs better in extreme weather |
| Home Appliances | Good surface touch and finish | Longer service life under pressure |
| Medical Products | Transparent, non-toxic, sterilizable | Less common, TPE is more suitable |
🧪 TPE vs TPV Performance Overview
| Property | TPE | TPV |
| Processing Temperature | Lower, easier to mold | Slightly higher, requires precision |
| Elasticity & Flexibility | Superior softness and rebound | Excellent but slightly firmer |
| UV Resistance | Moderate | Excellent (due to EPDM) |
| Compression Set Resistance | Moderate | Outstanding for long-term sealing |
| Chemical Resistance | Medium (formula-dependent) | Good, especially against oils/solvents |
| Service Life | Moderate | Long-lasting and outdoor-ready |
✅ TPE: Pros & Cons
Pros:
- High softness and flexibility
- Easy to mold and install
- Transparent and color options available
- Cost-effective and lightweight
- Cold weather flexibility
Cons:
- Less durable under prolonged compression
- Limited resistance to certain chemicals
- Lower UV and aging resistance compared to TPV
✅ TPV: Pros & Cons
Pros:
- Excellent compression set resistance
- Great chemical, weather, and aging resistance
- Ideal for outdoor and high-temperature applications
- Long-term durability and performance
Cons:
- Higher material and tooling cost
- Less flexible in low temperatures
- Fewer color options compared to TPE
💡 Which Material Should You Choose?
- Choose TPE if your project requires flexibility, soft touch, color customization, and economic performance.
- Choose TPV if you need superior weather resistance, long-term sealing performance, and durability in harsh environments.
Still unsure? A material expert can help you determine the best solution based on your industry, environment, and application.
📌 Custom Extrusion Support from OKIN
At Okin, we specialize in custom rubber extrusion, with 21 production lines including advanced co-extrusion and foam extrusion capabilities. We offer both TPE and TPV sealing products tailored to your specifications, including:
- Rubber Weather Strips
- Automotive Sealing Profiles
- Edge Trim Seals
- Co-extruded Sealing Strips
- Flame Retardant Foam Seals
- Adhesive-backed Rubber Profiles
Our production is B2B wholesale only, serving clients across Europe, North America, Southeast Asia, and the Middle East.
📣 Get Expert Help | Contact Us Today