Product Overview ChibiYuntian ETFE Film is a premium fluoropolymer material engineered for extreme durability, optical clarity, and environmental resistance. Available in thicknesses from 12.5 µm to 500 µm, it excels in applications demanding high light transmittance, thermal stability, and flame retardancy. Key Features Optical Excellence: Visible Light Transmittance: 90% (ASTM E-424) | Refractive Index: 1.4 (ASTM D-542). Mechanical Robustness: Tensile Strength: 42 MPa | Elongation at Break: 300% | Bend Resistance: 40,000 cycles (ASTM D-2176). Thermal Stability: Melting Point: 270°C (ASTM D-3418) | Heat Shrinkage: ±5% (150°C/10min). Safety & Compliance: Flame Retardancy: UL94 VTM-0 | Oxygen Index: 30% (ASTM D-2863). Electrical Performance: Dielectric Strength: 160 kV/mm | Volume Resistivity: >1×10¹⁷ Ω·cm. Technical Specifications Thickness (µm) 12.5 25 37.5 50 75 100 125 250 500 Area Coefficient (m²/kg) 40 20 15 10 7.5 5 4 2 1 Applications Architectural Films: Lightweigh