Fluoroplastics

We process our Optical PTFE into flexible Optopolymer® - OPF films with strengths from 0.1 to 6.0 mm for the use as diffusor films in transmission or in different reflection grades as reflection coatings. When processing the skived sheets, the unique lambertian surface structure remains and allows a homogeneous, diffuse reflection of up to > 99 percent, or rather with thin films an even light throughput (transmission) across the wide wave length of 250 to 2,500 nm. Thereby, various applications in the field of diffuse light scattering are feasible.

Reflectors by Berghof – made from ultrapure, Optopolymer® and processed to flexible films in customized strengths – reach highest, diffuse reflection of up to > 99 percent. By adding specific pigments, we can also produce them in different gray scales.  Upon request, we can equip these reflection films with self-adhesive properties and cut them to different sizes so they can be adjusted onto different surfaces as coatings. Possible applications are for example linings for UV sterilisators or coatings for reflectance screens. Attached to so-called “reflectance targets”, reflectors are used as targets for calibrating optical systems such as for cameras of driver assistance systems.

The transmission degree of the foil increases considerably at a minimal material strength (< 1 mm) and the transmission foils made from Optical PTFE show very low backscattering characteristics. This is why the films are suited as diffusors in the lighting industry. Another area of use are so-called cosine correctors in sensors for detecting light irradiation within a 180° field of vision with as little directional sensitivity as possible.