Poly methyl methacrylate pmma passes infrared light of up to 2 800 nm and blocks ir of longer wavelengths up to 25 000 nm.
Ir transmitting plastic sheet.
Infrared transmittance colorless plexiglas sheet sheet transmits most of the invisible near infrared energy in the 700 to 2 800 nanometer region but it also absorbs certain bands as shown.
Some transparent plastics such as acrylic glass are used where there is need to transmit ir light or visible light.
Proprietary additive systems block uv and ir light providing protection during gas flame welding and cutting operations and meeting the requirements for welding shades 3 and 5.
Polycast uv ir and light control sheet formulated to protect valuable documents and artifacts maintaining the right amount of ultraviolet or infrared protection or light filtration for your products can require a specialty solution.
3mm 5mm.
Specialty coating adhesive.
This listing is for 3mm thick and 5mm thick acrylic sheets sizes starting from 100mm x 100mm and going up to 600mm x 600mm.
Visualplas ir blocking plastics are transparent films or sheets that can effectively block ir while transmitting visible light.
This acrylic allows infrared to be transmitted through it.
Over 100 perspex colours fast delivery plastics cut to size trading online for over 10 years free parcel delivery for orders over 200 1 4 black 962 infrared transmitting cast perspex acrylic sheet.
Postage within the uk is free.
Plexiglass sheets infrared transmitting infrared transmitting irt sheet was specifically formulated for projects requiring ultraviolet uv and visible light blockage while allowing infrared ir transmission starting about 750nm.
Makrolon ir is a polycarbonate sheet product developed to meet ansi z87 1 en 169 and csa z94 3 standards for face shield applications.
It is used in smart sensing devices or anti counterfeit applications that need blocking certain ir signals.
Second you need to find the exact material which can transmits the wavelength of the sensor.