http://warm-ir-heat-system.com/en/tags/why/ Recent content in Why on Complete IR Heating Systems Hugo en-us Fri, 17 Jul 2026 02:54:05 +0800 http://warm-ir-heat-system.com/en/posts/why-glass-cracks-in-annealing/ Fri, 17 Jul 2026 02:54:05 +0800 http://warm-ir-heat-system.com/en/posts/why-glass-cracks-in-annealing/ <p><img src="http://warm-ir-heat-system.com/images/0539f8d11cfcdd1efd2329f9dbab37bb.png" alt="Why glass cracks in annealing"></p> <h1 id="stop-the-cracks-why-your-glass-is-breaking-and-how-fast-ir-actually-helps">Stop the Cracks: Why Your Glass is Breaking and How Fast IR Actually Helps</h1> <p>Ever had a piece of glass look perfect on the line, only to have it shatter later during machining or—even worse—inside a customer&rsquo;s shipping crate? It&rsquo;s a nightmare. Usually, it comes down to internal stress. When the outside of the glass cools down way faster than the core, you get these hidden tensions trapped inside. If that cooling curve isn&rsquo;t spot on, the glass becomes a ticking time bomb.</p>