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Applications for UV Coatings by Industry
Considered as a "green" technology, radiation curing has benefited from the trend away from environmentally unfriendly products such as solvent-based, thermally-cured coatings. Since many radiation curable coatings can cure in less than a second, they also quickly find their way to applications where continuous processing and high speeds are essential in making a financially viable product. Line speeds of 5m/sec (900 ft/min) are common, and the coated products are immediately ready for testing or shipment.
A summary of applications, markets, and products where radiation-cured coatings have found commercial success may be viewed in the following sections (click on application for a summary).
Graphic arts and ink
Wood coatings
Automotive
Plastics
Release coatings
Metal coatings
Optical coatings
Electrical / electronicsThe commercial applications of radiation-cured coatings are very broad and growing daily. Table 1 lists only a few typical applications for radiation cured coatings in major industries.
Furniture and Construction Electronics and Telecoms Printing and Packaging Automotive Consumer Goods Hardwood flooring Electrical conductor wire Inks Headlamps Release coatings for adhesives PVC flooring Printed circuit board coatings Release coatings Clearcoats Leather coatings Wood and metal furniture Optical fibers Overcoats for graphics art Printed dashboard components Coatings on plastic housings (cell phones, computers, etc.) Particle board sealer Magnetic media coatings Magazine covers Refinishing coatings Eyeglass lenses Galvanized tubing, fencing, etc. Photoresists Coatings on beverage cans Sports equipment Computer disc clearcoats Coatings on non-food packaging (paper, foil, film) Mirror coatings Coatings for metallized substrates Barrier coatings The relative usage of radiation cured coatings by end-user markets is shown in Table 2. The largest application in terms of volume is currently furniture and construction, where these products are used primarily on wooden furniture and hardwood and vinyl tile flooring. The printing and packaging industries closely follow this segment. Here the radiation cured products include printing inks, clear overprint varnishes for paper and plastics, and packaging coatings.
End-Use Market Approximate % of Market by Weight Wood and Furniture Printing and Packaging Consumer Goods Electronics and Telecom Automotive
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