{"product_id":"photochromic-window-tint-film-uv-sun-control-vlt-78-15","title":"Photochromic Window Tint Film – UV Sun Control VLT 78–15%","description":"\n\u003ch2\u003ePhotochromic Window Tint Film – Adaptive UV Sun Control\u003c\/h2\u003e\n\u003cp\u003eExperience next-level window privacy and sun management with this \u003cstrong\u003ePhotochromic Window Tint Film\u003c\/strong\u003e. Using advanced light-reactive technology, this film automatically darkens in response to UV exposure — transitioning from a high visible light transmission (VLT) of \u003cstrong\u003e78% in low-UV conditions\u003c\/strong\u003e to a darker \u003cstrong\u003e15% VLT in bright sunlight\u003c\/strong\u003e — all without any manual adjustment. Perfect for car windows, windshields, home windows, and building glass.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdaptive Light Control:\u003c\/strong\u003e Film darkens within 60 seconds of UV exposure and continues deepening over the next 10 minutes for optimal shading.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Recovery:\u003c\/strong\u003e Returns to a mostly clear state within 5 minutes of shade, and fully resets to its original high-VLT state in approximately 15 minutes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-UV Protection:\u003c\/strong\u003e Blocks harmful ultraviolet rays to help protect vehicle interiors, furnishings, and occupants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Management:\u003c\/strong\u003e Helps reduce solar heat build-up inside your vehicle or building, keeping interiors cooler and more comfortable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Explosion-Proof:\u003c\/strong\u003e Durable PET construction resists moisture and provides an extra layer of glass safety in the event of breakage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Service Life:\u003c\/strong\u003e Rated for 8–10 years based on vertical surface exposure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for car side windows, front and rear windshields, building glass, and home windows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Size Options:\u003c\/strong\u003e Available in 6 size options to suit a wide range of window dimensions — 50 cm wide rolls to fit your exact needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PET (Polyethylene Terephthalate)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 2 mil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Photochromic Film\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVLT Range:\u003c\/strong\u003e 78% (clear\/indoor) → 15% (full UV exposure)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 50 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSizes Available:\u003c\/strong\u003e 6 options\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEstimated Lifespan:\u003c\/strong\u003e 8–10 years (vertical surface exposure)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuitable For:\u003c\/strong\u003e Car windows, front\/rear windshields, building glass, home windows\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow Photochromic Film Works\u003c\/h3\u003e\n\u003cp\u003ePhotochromic window film contains special light-sensitive compounds that react to ultraviolet (UV) radiation. When UV rays strike the film, the compounds shift their molecular structure, causing the film to darken. This process begins in under one minute and reaches its peak tint level within about 10 minutes of full sun exposure. Once the UV source is removed (e.g., you enter a garage or the sun is obscured), the film begins transitioning back to its original, near-clear state — providing a seamless, automatic tinting experience. Learn more about UV radiation and its effects from the \u003ca href=\"https:\/\/www.epa.gov\/sunsafety\/uv-index-1\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Environmental Protection Agency (EPA)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDriver and passenger car side windows\u003c\/li\u003e\n  \u003cli\u003eFront and rear windshields\u003c\/li\u003e\n  \u003cli\u003eHome and office windows\u003c\/li\u003e\n  \u003cli\u003eBuilding glass and storefronts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is photochromic window tint film and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: Photochromic window tint film is a light-reactive film that automatically darkens when exposed to UV light. This particular film transitions from a high VLT of 78% in the absence of UV to a darker 15% VLT in direct sunlight. The darkening process starts in under one minute and peaks within about 10 minutes. When UV exposure stops, the film returns to a mostly clear state within 5 minutes and fully resets in approximately 15 minutes — no manual adjustment needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What surfaces can I apply this photochromic window film to?\u003c\/h4\u003e\n\u003cp\u003eA: This film is designed for a wide range of flat glass surfaces, including car side windows (driver and passenger), front and rear windshields, home windows, and building or commercial glass. It is available in 6 size options with a 50 cm width to accommodate various window dimensions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does this window tint film last?\u003c\/h4\u003e\n\u003cp\u003eA: Based on vertical surface exposure, this photochromic tint film is rated to last 8–10 years, making it a durable long-term investment for UV protection and heat management in your vehicle or home.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this film waterproof and safe if the glass breaks?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The film is constructed from 2 mil thick PET material, which is both waterproof and explosion-proof. In the event of glass breakage, the film helps hold glass fragments together, reducing the risk of injury from flying shards.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is photochromic window tint film and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Photochromic window tint film is a light-reactive film that automatically darkens when exposed to UV light. This particular film transitions from a high VLT of 78% in the absence of UV to a darker 15% VLT in direct sunlight. The darkening process starts in under one minute and peaks within about 10 minutes. 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