Barium Sulfate

The Barium Sulfate (BaSO4) coating is a white powder that is used in optical applications due to its suited flat spectral reflectance response within the UV-A to NIR wavelength range and perfect usability in terms of the coating process. It is quasi-standard in integrating sphere coating due to its very good optical properties. The coating exhibits a diffuse reflectance characteristic and is resistant to high-intensity optical radiation.

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The Barium Sulfate (BaSO4) coating can be a reflector powder for the Candela Gentle Pro and Mini-Series machines. The coating is optically stable, has high reflectance (up to 98%), and is heat-resistant up to 100°C (Labsphere’s coating). It can be applied by spraying and is applicable on metal, plastic, and glass substrates. The coating is sensitive to water and UV light.

The Barium Sulfate (BaSO4) coating is intended for customers with small-scale and large-scale applications like integration spheres, lamp housings, backlight reflectors, laser pumping chambers, or any area where uniform diffuse reflectance is needed. It yields reflectance values of 95% to 98% over the wavelength region from 300 to 1200 nm.