http://warm-ir-heater-link.com/en/tags/why/ Recent content in Why on Warm IR Heater Connection Hugo en-us Thu, 23 Jul 2026 10:32:56 +0800 http://warm-ir-heater-link.com/en/posts/why-glass-cracks-in-annealing/ Thu, 23 Jul 2026 10:32:56 +0800 http://warm-ir-heater-link.com/en/posts/why-glass-cracks-in-annealing/ <p><img src="http://warm-ir-heater-link.com/images/1a5ec48e569a434982d1c9eda9d619d6.png" alt="Why glass cracks in annealing"></p> <h1 id="stop-the-cracking-why-custom-length-heaters-actually-matter-for-glass-annealing">Stop the Cracking: Why Custom-Length Heaters Actually Matter for Glass Annealing</h1> <p>Ever had a piece of glass snap right as it&rsquo;s cooling? It’s frustrating. Most of the time, it happens because of uneven heat. If your heating elements can&rsquo;t hit every single corner of a complex part, you end up with cold spots. Those spots create internal stress, and—<em>pop</em>—there goes your hard work.</p>