Products Finishing magazine is the No. 1 industrial finishing publication in the world. We keep our readers informed about the latest news and trends in plating, painting, powder coating, anodizing, electrocoating, parts cleaning, and pretreatment.
Issue link: https://pf.epubxp.com/i/792756
PRODUCTS FINISHING — PFonline.com 19 shortens the shelf life of the product," Dhillon says. "Filtering of UV wavelengths is just plain bad. With today's high-end displays and artificial light, there is a multitude of UV light that is just not being filtered." It's one thing to understand that UV nail gel cures prema- turely inside the bottle from light penetration, but it's another to be able to powder coat a glass bottle effectively to the exacting standards of the cosmetics manufacturers. After all, looks are everything, and Dhillon's staff worked hard to create a proprietary adhesive bond that works between the glass and the powder coating. "That was no small feat, considering there is no natural electrostatic attraction there," he says of the glass bottle. Sundial developed a patented two-coat process that elimi- nates all UV light bands—UVA/UVB and UVC wavelengths— from penetrating the coating and damaging the product inside. UVA rays are the ones that cause long-term skin damage. UVB rays are often referred to as "burning" rays because they cause sunburn. UVC rays are the strongest and most deadly of solar rays, but the ozone layer stops most of these. Proper Weight Balance What Sundial came up with ensures the exact amount of powder coating coverage to keep out UV, but without streaking or uneven distribution that could cause the small bottles to be out of balance with too much coating on one side of the container. There was also another issue Dhillon and his team had to combat: The powder coating had to resist the often harsh ingredients in nail polish, essentially a lacquer that usually includes chemicals such as phthalates, toluene and formalde- hyde, all of which can cause havoc on a coating. Then comes the usual request of cosmetic manufacturers to match each bottle with the color of the nail polish. That also sent the Sundial team to the drawing board to generate a precise color-matching process, which is a very important requirement from the manufacturers. "It gives the impression of the actual polish appearing through a transparent container, making it easy for consumers to know the color they are choosing," Dhillon says. Growing Market Nail polish is a booming market in the cosmetic sector. More than $8.5 billion was spent on nail services in 2015, up from $8.2 billion in 2013, according to industry researchers. There were almost 130,000 nail salons in the U.S. in 2015, which doesn't take into account consumers who do their nails themselves. Sundial has also exploded into the fragrance and bottled spirits sector, which includes wine and liquors that also need to be protected from UV rays. Manufacturers are looking at moving products from ceramics to glass to get a better coating. "Glass is more consistent than ceramic, which has always had a problem with cap closure and sealing," Dhillon says. "The glass is much more predictable and allows us to create almost any design and color imaginable." Nail polish is a booming market in the cosmetic sector. More than $8.5 billion was spent on nail services in 2015, up from $8.2 billion in 2013, according to industry researchers. POWDER COATING GLASS "Design remains one of the most underleveraged assets a company has in launching and maintaining a successful brand."