Fire efficiency isn't simply the core; bracket alloys, screw qualities, and coating systems all impact ratings

https://www.livebinders.com/b/3716893?tabid=16770db7-6ffa-e519-d14f-ee6c5a288a83

Fire efficiency isn't just the core; bracket alloys, bolt grades, and surface systems all affect rankings, so assemblies are checked together for real-world compliance.