http://ir-halogen.com/en/tags/sleeve/ Recent content in Sleeve on High-Performance IR Halogen Hugo en-us Mon, 27 Jul 2026 10:53:15 +0800 http://ir-halogen.com/en/posts/solving-batch-variance-in-glass-annealing-via-high-consistency-ir-heating/ Mon, 27 Jul 2026 10:53:15 +0800 http://ir-halogen.com/en/posts/solving-batch-variance-in-glass-annealing-via-high-consistency-ir-heating/ <p><img src="http://ir-halogen.com/images/de51387667ace2164209b43f1462b665.png" alt="Quartz glass sleeve for lamp"></p> <h1 id="stop-guessing-with-your-glass-annealing">Stop Guessing with Your Glass Annealing</h1> <p>If you’ve ever run a batch of glass and realized the first piece looks perfect but the last one is a mess, you know exactly how frustrating it is. That &ldquo;quality drift&rdquo; is a nightmare. Most of the time, the culprit isn&rsquo;t your process—it&rsquo;s your IR lamps. When your lamps aren&rsquo;t matched, you end up with hot spots and cold zones. It&rsquo;s like trying to bake a cake in an oven that&rsquo;s only hot on the left side.</p>