http://pure-ir-heater.com/en/tags/clear/ Recent content in Clear on Pure Infrared Heating Systems Hugo en-us Sat, 18 Jul 2026 02:37:44 +0800 http://pure-ir-heater.com/en/posts/clear-quartz-infrared-tube/ Sat, 18 Jul 2026 02:37:44 +0800 http://pure-ir-heater.com/en/posts/clear-quartz-infrared-tube/ <p><img src="http://pure-ir-heater.com/images/12a43a2bfd97591d57dbb6bdd2a59e5e.png" alt="Clear quartz infrared tube"></p> <h1 id="getting-the-temperature-right-in-lab-glass-annealing">Getting the Temperature Right in Lab-Glass Annealing</h1> <p>Ever had a <a href="https://henruite.com">piece</a> of lab glassware just&hellip; shatter? No warning, no impact, just a spontaneous crack. It&rsquo;s frustrating. Usually, it happens because internal stresses weren&rsquo;t neutralized during annealing. If your temperature swings by even a few degrees, you&rsquo;re basically playing Russian roulette with your glassware. That&rsquo;s why we use clear quartz infrared tubes. They let us hit that tiny, narrow window of heat needed to actually relieve the stress.</p>