Alishan Low Acid EVA and EPE: The Game-Changers for Solar Module Performance
Solar panels are precision-engineered systems where every component impacts efficiency. Among the most critical yet overlooked elements? The encapsulation materials protecting delicate silicon cells. Alishan’s Low Acid EVA and EPE films redefine durability and energy output for modern photovoltaic systems.
EVA and EPE: Revolutionary Encapsulation Materials
EVA (ethylene-vinyl acetate) forms the transparent protective layer shielding solar cells from moisture, dirt, and mechanical stress. While traditional EVAs degrade over time, Alishan’s low-acid formula reduces degradation by 40% through advanced chemical modifications.
The Acid Challenge in Solar Encapsulation
Standard EVA releases acetic acid that corrodes panel components. Alishan’s solution maintains >90% light transmittance after 3,000 UV exposure hours – ensuring consistent energy production.
EPE Backsheets: Superior Moisture Protection
Alishan’s triple-layer EPE (ethylene-polyethylene) backsheets outperform PET alternatives in humid environments, demonstrating 15% less power degradation in accelerated aging tests. This innovation aligns with Southeast Asia’s solar innovation trends.
Performance Meets Economics
While premium encapsulation adds $0.02/W upfront, field data shows compelling returns. Texas installations using these materials retained 98% capacity after 8 years versus 91% for standard modules.
Extreme Environment Performance
- Withstands -40°C to 85°C thermal cycling
- Minimal PID in coastal salt spray conditions
- Anti-stick surface reduces cell breakage during manufacturing
Future-Ready Solar Technology
As TOPCon and HJT cells push efficiency boundaries, Alishan prototypes ultra-low water transmission films (<0.5 g/m²/day) for next-gen tandem solar modules.
The invisible layers between solar cells make all the difference in long-term performance. Alishan’s advanced encapsulation solutions prove that sometimes, the most significant breakthroughs happen behind the scenes.






