enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Color gel - Wikipedia

   en.wikipedia.org/wiki/Color_gel

   The size originates from the gelatin days: it is the same as a standard baker's sheet, which was used to cast the sheets. In the film industry, gels are usually cut straight from rolls 24 or 48 in (600 or 1,200 mm) wide and 50 ft (15 m) long, as the size required may vary from a single practical halogen spotlight in a ceiling to a whole window.

3. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   Other applications, including polycarbonate sheets, may have the anti-UV layer added as a special coating or a coextrusion for enhanced weathering resistance. Polycarbonate is also used as a printing substrate for nameplate and other forms of industrial grade under printed products. The polycarbonate provides a barrier to wear, the elements ...

4. Recycling codes - Wikipedia

   en.wikipedia.org/wiki/Recycling_codes

   Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

5. Window film - Wikipedia

   en.wikipedia.org/wiki/Window_film

   Tesla tinted windows at 20% all around. Not all films are suitable for all glass. The absorptance of the glass and the film, the size of the pane, the thickness of the glass, the construction of the window should be considered in terms of single pan-, insulated glass, treated (with a low-emissivity coating), laminated or toughened.

6. Photochromic lens - Wikipedia

   en.wikipedia.org/wiki/Photochromic_lens

   Photochromic lenses may be made of polycarbonate, or another plastic. Glass lenses use visible light to darken. Glass lenses use visible light to darken. They are principally used in glasses that are dark in bright sunlight, but clear, or more rarely, lightly tinted in low ambient light conditions.

7. Polycarbonate (functional group) - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate_(functional...

   A polycarbonate is an oxocarbon dianion consisting of a chain of carbonate units, where successive carbonyl groups are directly linked to each other by shared additional oxygen atoms. That is, they are the conjugate bases of polycarbonic acids , the conceptual anhydrides of carbonic acid , or polymers of carbon dioxide .