🧩 P/E-I-EPDM-TV15 – PE+PP Copolymer + EPDM + 15% Mineral
(Elastic-rigid copolymeric olefin material, obtained by combining Polyethylene (PE) and Polypropylene (PP) in an isotactic copolymer (I), modified with EPDM rubber for flexibility and 15% mineral filler (TV15) for stiffening and dimensional stability)
🔹 What is P/E-I-EPDM-TV15
P/E-I-EPDM-TV15 (or PE-PP-EPDM-TV15) belongs to the hybrid olefin materials family developed for the European automotive industry (Renault, Dacia, Nissan, Fiat).
The difference compared to the “TD” variant is that the TV (mineral) filler has a different structure and granulation, providing superior mechanical strength and a denser, UV-stable texture. It offers an excellent compromise between hardness, lightweight, and thermal impact resistance.
🔧 Composition
| Component | Typical Proportion | Role |
| PE (Polyethylene) | 30–40 % | Flexibility, impact resistance |
| PP (Polypropylene) | 30–40 % | Rigidity and dimensional stability |
| EPDM (Synthetic Rubber) | 10–15 % | Elasticity, cold and vibration resistance |
| Mineral (TV15) | 15 % | Stiffening and temperature resistance |
| Additives | < 5 % | Protection, color stability, and durability |
🚗 Automotive Applications
| Component | Example parts | Observations |
| Wheel Arch Liners | Renault, Dacia, Nissan | Semi-flexible, matte, thermally stable |
| Underbody Shields | Engine guards, transmission covers | Dense, rigid, vibration resistant |
| Exterior Caps / Trims | Side extensions, bumper corners | Matte finish, UV stable |
| Interior / Technical Parts | Sensor covers, brackets | Lightweight yet resistant to deformation |
🔩 Welding Compatibility
| Mating Material | Compatibility | Observations |
| P/E-I-EPDM, PP-EPDM, PP-TPO, TEO | ✅ Excellent | Common polyolefin family |
| PP-TD, PP-EPDM-TV20, TPO-TD15 | ⚠️ Fair | Partial compatibility – transition rod needed |
| TPE-O, TPE-V | ⚠️ Limited | Partially weldable with adapted rod |
| PA, PC, PVC, ABS, PET | ❌ Incompatible | Chemically and thermally incompatible |
🏭 Manufacturers and Trade Names
- SABIC: PP/PE-EPDM-TV Series
- LyondellBasell: Hostacom® P/E-EPDM-TV15
- Borealis AG: Daplen® P/E-EPDM-TV15
- Röchling Automotive: RoeBlend® P/E-EPDM-TV15
🧠 How to Identify
- Markings: >P/E-I-EPDM-TV15<, >P/E-PP-EPDM-TV15<, >P/E-I-EPDM-TX15<
- Texture: Matte, dense, slightly rubbery, but more rigid than TD10
- Density: ~1.02–1.05 g/cm³
- Color: Automotive technical grey-black
- Flame Test: Clean flame, faint olefin smell, white-grey ash (minerals)
- Slightly elastic, slow recovery, stable behavior at 230–250 °C
🛠️ P/E-I-EPDM-TV15 Welding at ReplastMD
| Method | Temperature | Observations |
| Hot Air | 230 – 250 °C | Recommended – TPO / PP-EPDM rod |
| Heat plate (Mirror) | 220 – 240 °C | Uniform bonding, no shrinkage |
| Extrusion | 230 – 250 °C | Ideal for structural joints |
💡 ReplastMD Recommendation: use TPO or PP-EPDM welding rods, maintain constant clean air flow and uniform pressure during bonding.