The Journal

Stories from the cutting edge.

Materials science, ownership guides and industry perspective — written by the people who engineer the film.

All Industry News PPF Regulations Technology Vehicle Care Window Film

How much heat does ceramic window film actually block?

We put a thermometer inside a parked car — with film, without film, at 45°C outside. The numbers are stark. Here's what ceramic window film actually does to your cabin temperature.

Jun 2025·7 min read

Regulations

Window tint laws in India 2026: what's legal, what's not, and how to stay compliant

The Supreme Court's 2012 ruling is still on the books, but enforcement varies wildly by city and state. Here's a clear breakdown of what the law actually says, what films are legal, and how SUNKOOL films are tested to comply.

Jun 2025 · 6 min