Pro-Lite provides a service for painting parts with proprietary diffuse reflectance coatings. Diffuse reflectance coatings and materials exhibit Lambertian reflectance, that property whereby the reflected intensity of light follows Lambert’s cosine law, or the reflected radiance (or luminance) is equal from all directions of view and illumination. Diffuse reflectance is the opposite of specular (mirror-like) reflectance.
Our service is performed at Labsphere who are global leaders in diffuse reflectance coating technology. Our standard spray-on coating is Spectraflect, a barium sulphate-based formulation that provides up to 98% hemispheric reflectance in the 250-2500nm wavelength range. For application in more hostile environments, we offer Labsphere’s Permaflect coating which provides a more durable finish that can withstand routine handling and can be more easily cleaned. For applications in the infrared, Labsphere’s Infragold is an electroplated gold coating that exhibits a reflectance of up to 94% in the 0.7 to 20μm band. Infragold can be applied to metal parts.
| Parameter | Spectraflect |
| Coating Type | Barium sulphate-based formulation |
| Wavelength Range | 250-2500nm |
| Reflectance | Up to 98% |
| Useful Wavelength Range | >96% reflectance, 300-1100nm |
| Reflectance Type | Lambertian (diffuse) |
| Substrate Compatibility | Any |
| Key Features | Highest diffuse reflectance coating in the UV-VIS-NIR band |
Labsphere Permaflect Coating Specifications
Parameter | Permaflect |
Coating Type | Barium sulphate-based formulation |
Wavelength Range | 250-2500nm |
Reflectance | Up to 94% |
Useful Wavelength Range | > 90% reflectance, 350-1350nm |
Reflectance Type | Lambertian (diffuse) |
Substrate Compatibility |
|
Key Features | High diffuse reflectance in the UV-VIS-NIR band Durable Washable |
Labsphere Infragold Coating Specifications
Parameter | Infragold |
Coating Type | Electro-plated gold |
Wavelength Range | 0.7-20μm |
Reflectance | Up to 94% |
Useful Wavelength Range | > 90% reflectance, 0.75-20μm |
Reflectance Type | Lambertian (diffuse) |
Substrate Compatibility | Most metals (e.g. aluminium, nickel, steel, copper & tungsten) |
Key Features | High diffuse reflectance in the NIR-FIR band Durable Cleanable |
We would be delighted to quote for your reflector coating requirements. Please tell us about your application and provide as much information as possible. To help us assess the suitability of our coatings for your application, please share at least the following information with us by email to info@pro-lite.co.uk. A drawing of the reflector would be ideal – please submit with your enquiry if possible.
