In comparison, 3M Ceramic IR at 5% VLT performs nearly as well ... Features and Benefits of 3M Crystalline Automotive Window Film: • 99.9% UV rejection is equivalent to Sun Protection Factor ...

But of all of 3M's offerings on display that day, the one that piqued our interest most was the company's Crystalline line of automotive window ... of infrared radiation. Because these films ...

Window tinting refers to the process of applying a thin laminate film to a vehicle's glass ... and 97 percent of heat-producing infrared rays—although 3M doesn't cite minimum protection levels.