PPE powder granule used for photovoltaic junction box
Key Advantages of PPE in Photovoltaic Junction Boxes
High-Temperature Resistance: The heat deflection temperature under load exceeds 190°C, with a melting point of approximately 268°C, ensuring structural stability in high-temperature environments.
Flame Retardancy: Possesses inherent halogen-free flame-retardant properties, meeting UL94 V-0 rating requirements, with a Glow Wire Ignition Temperature (GWIT) > 775°C and a Glow Wire Flammability Index (GWFI) > 960°C.
UV Resistance and Weatherability: Effectively resists outdoor aging factors such as UV radiation, humid heat, and acid rain, ensuring a service life of over 25 years.
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