We are independent & ad-supported. We may earn a commission for purchases made through our links.
Advertiser Disclosure
Our website is an independent, advertising-supported platform. We provide our content free of charge to our readers, and to keep it that way, we rely on revenue generated through advertisements and affiliate partnerships. This means that when you click on certain links on our site and make a purchase, we may earn a commission. Learn more.
How We Make Money
We sustain our operations through affiliate commissions and advertising. If you click on an affiliate link and make a purchase, we may receive a commission from the merchant at no additional cost to you. We also display advertisements on our website, which help generate revenue to support our work and keep our content free for readers. Our editorial team operates independently of our advertising and affiliate partnerships to ensure that our content remains unbiased and focused on providing you with the best information and recommendations based on thorough research and honest evaluations. To remain transparent, we’ve provided a list of our current affiliate partners here.

What is a UV Test?

By Jeri Sullivan
Updated May 17, 2024
Our promise to you
About Mechanics is dedicated to creating trustworthy, high-quality content that always prioritizes transparency, integrity, and inclusivity above all else. Our ensure that our content creation and review process includes rigorous fact-checking, evidence-based, and continual updates to ensure accuracy and reliability.

Our Promise to you

Founded in 2002, our company has been a trusted resource for readers seeking informative and engaging content. Our dedication to quality remains unwavering—and will never change. We follow a strict editorial policy, ensuring that our content is authored by highly qualified professionals and edited by subject matter experts. This guarantees that everything we publish is objective, accurate, and trustworthy.

Over the years, we've refined our approach to cover a wide range of topics, providing readers with reliable and practical advice to enhance their knowledge and skills. That's why millions of readers turn to us each year. Join us in celebrating the joy of learning, guided by standards you can trust.

Editorial Standards

At About Mechanics, we are committed to creating content that you can trust. Our editorial process is designed to ensure that every piece of content we publish is accurate, reliable, and informative.

Our team of experienced writers and editors follows a strict set of guidelines to ensure the highest quality content. We conduct thorough research, fact-check all information, and rely on credible sources to back up our claims. Our content is reviewed by subject-matter experts to ensure accuracy and clarity.

We believe in transparency and maintain editorial independence from our advertisers. Our team does not receive direct compensation from advertisers, allowing us to create unbiased content that prioritizes your interests.

A UV test is a test to measure the exposure to ultraviolet light. Ultraviolet light, or UV, is a term used to describe electromagnetic radiation with ultraviolet waves shorter than light visible to humans. UV light is present in sunlight and can cause chemical reactions in certain materials. This reaction causes them to glow, which is called fluoresce. UV tests look at the ultraviolet spectrum for commercial uses and ultraviolet detection for UV protection.

Commercial uses for a UV test are to determine color fastness in products. A sample is sent to a UV test lab where it is subjected to ultraviolet exposure in a controlled environment. A solar simulator is used to create ultraviolet radiation and simulate months or years of exposure.

Paint that would be exposed to long periods of sunlight such as exterior building paint or automobile paint can be tested to determine how long the paint would last. This allows manufacturers to modify, if necessary, the chemicals used in their products. The UV test also allows manufacturers to promote the level of UV resistance the product has on its packaging.

Textiles manufacturers also use UV testing to determine how long the product will remain color fast. If dyes incorporated into the manufacturing process fade too soon, the product may begin to degrade. Understanding the lifespan of the dye helps companies produce better products. This is also used for other materials such as plastics and paper.

Another commercial use for a UV test is photo stability. This refers to how chemicals react when exposed to sunlight. Pharmaceuticals can be affected and specifically not be as effective if exposed to sunlight. UV testing helps understand what changes can occur during exposure that may be harmful or cause hazardous reactions.

UV detection is also used for human health. Overexposure to UV rays can cause skin cancer and sunburn. UVA rays are the most common and are the rays used to tan. Since UVA rays are the leading cause of skin cancer, tanning salons use a UV test to make sure the tanning beds are properly calibrated.

UVB rays are more intense than UVA rays and are often the cause of sunburn. It affects the outermost layers of the skin and can be detected through a radiometer. A radiometer is used to measure the levels of ultraviolet radiation. It does this by determining how much radiation has been converted to energy. The higher the temperature in the radiometer, the more radiation present.

About Mechanics is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.

Related Articles

Discussion Comments
By Agni3 — On Jun 14, 2011

It is a proven fact that high levels of UV rays are very dangerous for people. So, we have all got smart and started to lather ourselves in inches of sunblock before open the blinds on our windows.

Meanwhile, we’re all getting vitamin D deficiencies, which are now reportedly an epidemic, from not getting out in the sun enough.

And, then I heard this very day on the news that guidelines for sunblock are being changed in the near future because the stuff we’ve been wearing doesn’t really work the way we think it does. UV testers have proven it.

As a matter of fact, what the news folks were saying was that we’re wasting our money buying the water proof and resistant kinds because that is actually a nonexistent quality in sunblock. And that if we spent a day in the sun, for our block to really protect us we would have to use an entire tube in that one day. Go figure!

We need some real answers for these problems, but I couldn’t even begin to pose any of them.

About Mechanics, in your inbox

Our latest articles, guides, and more, delivered daily.

About Mechanics, in your inbox

Our latest articles, guides, and more, delivered daily.