Product features , based on our proprietary ir management plastic technology, witlan irf series ir pass plastic film is transparent to 800-1600nm ir wavelength, while blocks 300-700nm uv and visible light. , witlan ir pass film is dark or black colored and different thickness (0.05mm, 0.25mm, 0.50mm & 0.80mm) available. Applications , witlan ir pass film is used as ir window or visible light shielding for various applications such as ir surveillance devices, cameras, instruments, lasers, and various other optical devices.
