By: Jason Maxwell
Submitted: 2010-11-23 02:37:04 | Word Count: 447
The anti-fog sprays that we see these days are composed of reagents or chemicals that checks water droplets from condensing on lenses of goggles and masks thereby fogging them. These treatments were first utilized by NASA personnel in 1966. This is widely used on any plastic or glass surfaces of lenses or mirrors not only in goggles and eyeglasses but additionally on binoculars and cameras today.
This lessens surface tension making water stay together like a single film rather than scatter into miniscule droplets, an process called wetting. Putting a surfactant (lessens surface tension of water) film or making the surface hydrophilic (maximizes the surface energy) creates this effect.
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Today, one can use anti fog sprays on many everyday things, something that fogs up can be defogged with the treatment. It's very cumbersome to have to wipe off the fog when you are in the middle of wearing head gear or a diving mask. Plus, it produces poor photographs if your camera lens is fogged up. Or how about when you are driving and the windshield and windows all around fog up causing zero visibility. The spray comes in handy here and it is applied before use.
The following substances have the same action as preventing mists: shaving cream spread over and wiped down without rinsing; detergents, soap, or shampoo mixed in a solution can also be applied the same way.
Anti-fog agents are used on airplane windows & windshields, sprayed on before taking off the windows remain clear during the flight. It is also useful on racecars. It is very crucial that the windshield doesnt mist up during a race or rally where precision is needed and time is not wasted on wiping the windshield. The driver needs to see everything around him during a race because his moves must be precise. With the windows clear, that is one less factor to worry about in the pit stop. You cant make stops in the expressway just to clean your misty windows even when you are just a regular motorist. When you are in a hurry to go to your workplace, you dont have enough time to attend to a foggy windshield.
Anti-fog spray acts just like a detergent to clean a dirty window; it cuts down on static thereby preventing dust to cling to the glass; it has no silicon or toxins & harsh chemicals that may harm the environment; etc.
Anti-fog treatments are also made in other forms for example creams, gels, & wet wipes.
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