EXp™ Polyethylene Technology represents an optimal blend of UHMWPE, the antioxidant vitamin E(α-tocopherol), and cross-linking for long-term oxidative stability, preservation of mechanical properties and performance.
- Unlike other highly cross-linked polyethylenes, EXp requires no thermal processing or infusion of antioxidants to stabilize the material.
- EXp liners experienced no failures as a result of dynamic impingement testing.
- The vitamin E blended into the EXp does not elude from the material during extraction studies.
- The morphology of EXp UHMWPE is consistent with conventional UHMWPE—demonstrating no consolidation defects or voids.
Features and Benefits
More resistant to oxidation than conventional cross-linked polyethylene
Remains resistant to oxidation after 5 million cycles of wear testing and artificial aging
Preserved Mechanical Performance
Retained its mechanical performance after oxidative aging