Fire performance isn't just the core; bracket alloys, bolt qualities, and finish systems all affect ratings

https://collinuddw416.yousher.com/what-occurs-after-100-winters-copper-chimney-shadows-by-salvo-metal-works

Fire performance isn't simply the core; brace alloys, screw qualities, and coating systems all affect rankings, so settings up are evaluated with each other for real-world conformity.