Application：IR receiver,IR induction products,IR camera,IR water faucet,IR closestool,IR touch panel Substrate：PMMA,black color Package：Protective transparent film on both siders Feature：Low cost,not easy to be frangible，custom design size Definition of IR Plastic Filter IR plastic filter can transmit the IR light and block the visible light wavelengths 400nm~600nm.These plastic filters are ideal for blocking visible light, while transmitting near infrared wavelengths. They are made by new plastic technology material. They’re at half the weight of glass filters. They are resistant to all types of chemicals and solvents (acetone, acids, alkali and alcohols).