http://uv-curing-flow.com/en/tags/5kw/ Recent content in 5kW on UV Curing Flow Hugo en-us Wed, 17 Jun 2026 19:21:46 +0800 http://uv-curing-flow.com/en/posts/high-power-mercury-uv-tube-5kw/ Wed, 17 Jun 2026 19:21:46 +0800 http://uv-curing-flow.com/en/posts/high-power-mercury-uv-tube-5kw/ <p><img src="http://uv-curing-flow.com/images/0c45ccc8f15f63d49dc19cb9e5226d35.png" alt="High power mercury UV tube 5kW"></p> <p>On a high-speed offset or flexo line, milliseconds are the currency. You’re running tens of thousands of flash cures per shift, and the bottleneck isn’t the ink—it’s whether the lamp can start, stop, and repeat without drift. A conventional mercury tube can lag, and that’s when you get wet tails and a cure that’s all over the map.</p> <h2 id="what-matters-under-the-hood">What matters under the hood</h2> <p>We built the 5kW high-power mercury UV tube around a cathode architecture with low thermal inertia. The geometry and emissive material are chosen to heat and cool fast, so the arc settles within milliseconds after each trigger. Paired with a quartz envelope and optimized mercury vapor pressure, the lamp holds stable spectral output across the UVA band, with strong 365nm and 385nm lines that line up with photoinitiator absorption for quick cross-linking. Peak irradiance at the web stays repeatable, so your dose (mJ/cm²) stays inside the window. Running at 5kW gives you high photon flux without pushing the electrodes into deep thermal cycling.</p>