OP-3 protects from both natural and artificial light. Continuously-manufactured UV filtering (OP-3) sheet filters out 98 percent of damaging UV rays, protecting paper-borne artwork, prints, and documents from fading, yellowing and brittling. When a slightly reduced level of UV protection is needed, UV Filtering UV3 might be the best solution
Acrylic’s light weight and flexibility make it very easy to install yourself at home and the extremely high light translucence means there will be no noticable reduction in light entering the room. For extra security consider using polycarbonate sheeting which is roughly 30 times stronger than acrylic and is also ideal for secondary glazing.
Given that any coloured filter also absorbs visible light you obviously have a problem. However polycarbonate is an effective UV-filter, absorbing 90 % of light below 410 nm and 99.99 % below 400 nm, glass absorbs mostly below 320 nm which is clearly less effective as 400 nm is the generally excepted UV/visible boundary. 5 mm or thicker is ideal and is about the thickness of the samples i just Does acrylic block UV? Yes. And no. There are different wavelengths of UV. The chances that the acrylic will filter the exact same wavelengths in the same manner that your glass shield did are slim. Any change in lighting might stress corals causing them to "burn".
Does plastic block UV rays? Most acrylic plastics will allow light of wavelength greater than 375 nm to pass through the material, but they will not allow UV-C wavelengths (100–290 nm) to pass through. Even very thin acrylic sheets of less than 5 millimeters (mm) do not let UV-C light penetrate.
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UV light is invisible to the human eye, which is why it is sometimes referred to as 'black light'. However, some materials (e.g. DayGlo) can absorb UV energy and convert it into visible light energy. Alternatively, consider a different UV-cure product with an improved cure-through depth. The type of UV light can also affect depth of cure. Lamp systems with high intensity peak below 365 nm will cure the surface extremely fast; quickly vitrifying the surface, blocking the UV light, and preventing the material below from curing. The lid is going to be for a planted viv. I'm not sure if I need the UV for the plants. Any help would be greatly appreciated! Most types of acrylic block UV. UV is good for the animals though. Most folks UV-ing leave about 20% of the top screen and then position the UV producing bulbs over the screen area. Cheers! This is what makes UV light (or higher-energy electromagnetic radiation like X-rays) dangerous- it has enough energy to ionize atoms in your body (thus the name "ionizing radiation"), which can randomly break bonds in important chemicals in your body (proteins, DNA, etc). When light interacts with a material, the light can be reflected, it can crIa3.
