http://quartz-ir-direct.com/en/tags/sealing/ Recent content in Sealing on Quartz IR Factory Direct Hugo en-us Thu, 09 Jul 2026 11:50:42 +0800 http://quartz-ir-direct.com/en/posts/glass-tube-sealing-lamp/ Thu, 09 Jul 2026 11:50:42 +0800 http://quartz-ir-direct.com/en/posts/glass-tube-sealing-lamp/ <p><img src="http://quartz-ir-direct.com/images/de51387667ace2164209b43f1462b665.png" alt="Glass tube sealing lamp"></p> <h2 id="introduction">Introduction</h2> <p>When you&rsquo;re sealing glassware, the final heat step is the one that makes or breaks everything. We built our sealing lamps to do one thing, and do it well: deliver a blast of heat that&rsquo;s instant and totally controlled, so you can seal a glass tube without worrying about it cracking. The trick is managing that sudden shock of heat. We get around it by modulating the power on the fly, so the heat follows the glass, not the other way around.</p>