Crystalline CR70

3M CR70 Crystalline full side and rear coverage for hatchbacks. 200+ layer nano-optical film rejects 97-98% IR. Significantly cooler cabin, protected interior, lifetime warranty.

3M Crystalline CR70 can lower cabin temperatures by up to 12‑15 °C on average, thanks to its 97‑98 % IR rejection. In Indian summer conditions, this translates to a noticeable reduction in AC load and a more comfortable interior, especially for hatchbacks with large side glass areas. The core technology behind CR70 is a multi‑layer nano‑optical construction. Each microscopic layer reflects and refracts infrared wavelengths while allowing most visible light to pass, achieving a high Total Solar Energy Rejection (TSER) without excessive darkening. The film also incorporates UV‑blocking pigments that prevent up to 99 % of UV rays from reaching the interior. In real‑world Indian use, the film not only keeps the cabin cooler but also protects dashboards, leather, and plastic trim from UV‑induced fading and cracking. Maintenance is simple—regular washing with mild soap is sufficient, and the lifetime warranty gives confidence that the film will retain its performance for the vehicle’s life, provided it is installed correctly.

While CR70 delivers excellent IR and UV blocking, its visible light transmission (VLT) is lower than standard clear glass, which may slightly darken the side windows. The film must be installed by professionals to avoid bubbles and ensure proper adhesion, especially on curved hatchback panels. Over time, exposure to harsh chemicals or abrasive cleaning can affect the film’s surface, so gentle cleaning is recommended. The lifetime warranty covers manufacturing defects but does not cover damage from accidents or improper installation.

For long‑term performance, clean the film using a pH‑neutral car‑wash soap and a soft microfiber cloth; avoid abrasive scrubbers or ammonia‑based cleaners, as they can degrade the nano‑optical layers and reduce IR rejection.