11/15/2023 0 Comments Uv tinted window film![]() ![]() Most window film/tinting shops use Infrared Rejection (IRR) as a guide to the level of heat rejection but IRR only covers 1/3 of TSER. The higher the percentage, the higher the percentage of solar energy deflected. TSER includes all three: visible light, infrared and ultraviolet. Total Solar Energy Rejected is the percentage of the total solar energy that is rejected. It’s basically heat! IRR: Infrared Rejection To sum it up, we cannot see it with our eyes but we can feel it. Infrared radiation is electromagnetic radiation with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye. So if you hear someone says charcoal 5%, you will automatically know the colour is charcoal and the VLT is 5%, which means it’s pretty dark inside as only 5% of light is allowed in. This will give you a gist of how window film/tint suppliers and retail shops name their product range. Likewise, a green coloured tint film with a VLT of 50% is called green 50%. For example, a charcoal coloured tint with a VLT of 5% is known as charcoal 5%. In the market, when professionals are referring to a film/tint, they typically identify it by the film/tint’s colour and VLT value (percentage). For example, a window film/tint that has a VLT value of 5% indicates that the window film only permits 5% of the exterior light to pass through and enter while a film with a 50% VLT value allows 50% of the light from outside to pass through. The lower the VLT percentage, the darker the tint is and the more outside light it blocks. ![]() Based on your preference, this determines how much light you want to enter. VLT value is the percentage of visible light the film/tint allows through from the exterior of a vehicle, building or home to the interior. Visible light transmitted is the ratio of visible solar energy (380 – 750nm) that passes through the glazing system. This is important and one of the main point that everyone needs to look for while purchasing window films/tints. In the window film market nowadays, it can go as high as 99%. UV radiation is present in sunlight and this is what causes the most damage to our eyes, skin and furnitures. Ultraviolet is electromagnetic radiation with a wavelength from 10 nm to 400 nm. So let’s break it down so that it will be easier for you to understand! UV: Ultraviolet With all these terminologies, it can be pretty overwhelming. When researching or purchasing window films, we often here words like VLT, IR, TSER, UV but what do they actually mean? What’s the difference? Well, worry no more as we are here to help you. WINDOW FILM/TINT ACRONYMS AND TERMINOLOGY, WHAT DO THESE MEAN? ![]()
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