ZHUHAI JIALI HARDWARE CO., LTD.
PV Mounting Fastener Weather Resistance Test Report: Salt Spray, UV, and Temperature Cycle Performance Analysis
With rapid development of the new energy industry, long-term reliability of PV mounting fasteners has become a key industry concern. Jial PVS series PV-specific fasteners pass rigorous weather resistance testing to ensure 25-year service life under extreme climatic conditions.
1. Test Standards and Methods
| Test Item | Standard | Test Conditions | Pass Criteria |
|---|---|---|---|
| Salt Spray | ISO 9227 | 5% NaCl solution, 35℃, 1000 hours | No red rust, no white rust, no base metal corrosion |
| UV Aging | ISO 4892-3 | UVA-340 lamp, 60℃, 1000 hours | Color difference ΔE≤3.0, strength retention ≥95% |
| Temperature Cycling | IEC 61215 | -40℃/85℃, 1000 cycles | No cracking, no deformation, torque retention ≥90% |
| Damp Heat Aging | IEC 60068-2-30 | 85℃/85%RH, 1000 hours | Insulation resistance ≥100MΩ, no appearance change |
2. Jial PVS Series Advantages
• Surface Finish: Dual protection (Zn-Ni alloy + organic silicone coating), salt spray ≥2000h
• Material Selection: A2-70 stainless steel + special anti-corrosion process, strength increased by 25%
• Structural Design: Anti-loosening teeth + sealing washer, vibration resistance improved by 40%
• Certifications: TUV, UL, CE, CQC full certification
3. Application Cases
• CATL Energy Storage Power Station: 5-year field test, zero failure rate
• LONGi Green Energy Rooftop PV: 10-year tracking, torque retention 92%
• China Huaneng Group Ground Power Plant: 25-year design life verification
All Jial PV fasteners undergo full IEC 61215 testing. A 'Weather Resistance Validation Report' is provided per batch.
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ZHUHAI JIALI HARDWARE CO., LTD. · PV Fastener Expert · Est. 2008