Photochromic Glass Sheet

Photochromic plastic has a reversible colour change and is activated by the uv light in sunlight and daylight.

Photochromic glass sheet.

Photochromic lenses may be made of glass polycarbonate or another plastic they are principally used in eyeglasses that are dark in bright sunlight but clear in low ambient. Weetect photochromic sheet film wpsf also names photochromic plastic sheet film photochromic film. Granqvist in materials science for solar energy conversion systems 1991. The core glass being more viscous at forming temperatures than that of the photochromic skin glass provides a support for the photochromic skin glass during the formation of the laminated sheet and accordingly the photochromic glass p may be sensitized on the draw immediately after the supporting laminated sheet s is formed by subjecting the.

The phenomenon is well known both in glasses 24 25 and other materials. The uv creates a vivid change from clear to a coloured plastic. In the absence of activating light the lenses return to their clear state. A photochromic material is characterized by its optical properties being able to change reversibly upon irradiation.

A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency most commonly ultraviolet uv radiation. Chameleon masterbatch can be added to many standard plastics for injection moulding and extrusion.