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Paint protection film (PPF, also called clear bra, clear film or clear paint film) is a thermoplastic urethane often self-healing film applied to painted surfaces of a new or used car in order to protect the paint from stone chips, bug splatters, and minor abrasions. This film is also used on airplanes, RVs, cell phones, electronics, screens ...
UV coating can be applied via most conventional industrial coating applications as well as by silkscreen and 3D printing. [ 8 ] Due to the normally high solids content of UV coating/varnish the surface of the cured film can be extremely reflective and glossy. 80 lb text and heavier weights of paper can be UV coated, however, cover weights are ...
A phosphate coat is necessary to protect the body against corrosion effects and prepares the surface for the E-Coat. The body is dipped into the Electro-Coat Paint Operation (ELPO/E-Coat), then a high voltage is applied. The body works as a cathode and the paint as an anode sticking on the body surface. It is an eco-friendly painting process.
Conformal coating is a protective, breathable coating of thin polymeric film applied to printed circuit boards (PCBs). Conformal coatings are typically applied with 25–250 μm [ 1 ] thickness on electronic circuitry to protect against moisture and other substances.
Upon irradiation with UV light, photogenerated electrons (e −) and holes (h +) are produced on the surface of the self-cleaning coating. The sacrificial electron donor (SED) present in the paii ink effectively 'mops-up' the holes (h + ), allowing the electrons (e − ) to reduce the dye (D ox ) to another (usually colourless) form (D red ).
An anti-graffiti coating is a coating that prevents graffiti paint from bonding to surfaces. Cleaning graffiti off buildings costs billions of dollars annually. [ citation needed ] Many cities have started anti-graffiti programs but vandalism is still a problem.
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