Premium EVA Encapsulation Films Manufacturers
Our high-performance EVA films provide excellent adhesion, durability, and optical properties for solar modules. Specially formulated to withstand harsh environmental conditions while maximizing power output.
Performance Advantages
Enhanced UV Resistance
Advanced stabilizers protect against yellowing and degradation from UV exposure, ensuring long-term performance in all climates.
Anti-PID Technology
Special formulation prevents potential induced degradation in solar cells, maintaining optimal power output over time.
High Light Transmittance
>91% transmittance ensures maximum light capture and energy conversion efficiency for solar modules.
Technical Specifications
Standard Specifications
| Parameter | Value | Test Standard |
|---|---|---|
| Transmittance | >91% | ASTM D1003 |
| Gel Content | >85% | GB/T 29848 |
| Thickness | 0.3-1.0mm | ISO 4593 |
| Peel Strength | >100N/cm | ASTM D903 |
| Tensile Strength | >20 MPa | ASTM D638 |
| Break Elongation | >400% | ASTM D638 |
Advanced Testing Results
PID Test Data (85°C/85% RH, 1000h)
| Parameter | Result | Performance |
|---|---|---|
| Power Degradation | < 3% | Excellent |
| Visual Inspection | No delamination | Excellent |
| Color Shift (ΔE) | < 1.5 | Minimal |
DH2000 Damp Heat Test
| Parameter | Result | Standard |
|---|---|---|
| 2000h Performance | Pass | IEC 61215 |
| Peel Strength Retention | >90% | Superior |
| Transmittance Loss | < 1.5% | Excellent |
Thermal Cycling
UV Resistance
Competitive Advantage
| Parameter | Ruihong EVA | Standard EVA | Competitor A |
|---|---|---|---|
| UV Resistance (kWh/m²) | 15 | 8 | 10 |
| PID Resistance (Power Loss after 1000h) | < 3% | 5-8% | 4-6% |
| Transmittance after DH2000 | >89.5% | 87-88% | 88-89% |
| Gel Content | >85% | 80-83% | 82-84% |
| Acetic Acid Generation (μg/cm²) | < 300 | 400-600 | 350-500 |
| Volume Resistivity (Ω·cm) | 1×10¹⁵ | 1×10¹⁴ | 5×10¹⁴ |
Industrial Applications
Monocrystalline PV Modules
Optimized for high-efficiency mono PERC cells with superior light transmission.
Polycrystalline Modules
Enhanced durability for cost-effective polycrystalline solar panels.
Bifacial Modules
High clarity encapsulation for maximum bifacial energy gain.
Building Integrated PV (BIPV)
Aesthetic and performance solutions for architectural integration.
Manufacturer Since 2013
ISO 9001 Certified
Export to 35+ Countries
10,000+ Tons Annual Production
Ready to Enhance Your Solar Modules?
Contact our technical team for samples, detailed specifications, or customized solutions for your solar encapsulation needs.
Why Partner With Ruihong?
- Get a free technical consultation with our engineers
- Receive customized film specifications within 24 hours
- Access our exclusive technical datasheets and test reports
- No obligation quotes tailored to your project volume
- Priority support for all technical inquiries