3M sun film is a high-tech film applied to windows (for buildings or cars) to control solar heat, glare, and UV rays, using nano-technology (like in the Prestige Series) to block significant infrared heat (up to 97%) while letting in natural light, reducing cooling costs and protecting furnishings from fading, all with options for different levels of darkness, privacy, and clarity, including clear films that reject heat without looking tinted. Key Features & Benefits:Heat Rejection: Blocks a high percentage of infrared heat, keeping interiors cooler and saving energy.UV Protection: Blocks up to 99.9% of harmful UV rays, preventing fading of furniture, floors, and art.Glare Reduction: Significantly lowers harsh glare, improving comfort and visibility.Energy Savings: Reduces reliance on air conditioning, leading to lower energy bills.Aesthetics & Privacy: Offers various shades, from virtually clear (Crystalline Series) to darker tints, providing privacy.Nano-Technology: Advanced non-metalized films (Prestige Series) use nanotechnology for superior performance without interfering with mobile signals.Clear View: Some films, like Night Vision, offer low interior reflectivity for clear views, even at night. Applications:Automotive: For cars, reducing heat, glare, and UV for a more comfortable ride.Architectural: For homes and commercial buildings to enhance comfort, save energy, and protect interiors. Examples of 3M Film Series:Prestige Series: Non-metalized, spectrally-selective for high heat rejection with high light transmission (e.g., Prestige 70).Crystalline Series: Virtually clear films for automotive use, using hundreds of layers to reject heat.Night Vision Series: Controls heat and glare with low interior reflectivity for clear views, especially at night.