Gallium UV lamp for offset plate

Wed, 27 May 2026 01:54:16 +0800

We built the Gallium UV lamp for one reason: to handle the tough job of offset plate exposure. This isn’t some all-purpose tube you toss into anything. It’s a purpose-built heating element, tuned to deliver exactly the energy density you need to cure the polymer on printing plates—fast. Here’s the thing about power: this lamp runs at 400V and 2500W. It gets hot, and it gets there quickly. The 300mm length and 10mm diameter give you a tight, focused thermal footprint that lines up perfectly with standard platen sizes. That power means you get a rapid start-up, but it also means your machine’s cooling system needs to be ready for the extra heat. We wrap the whole thing in a quartz envelope, packed with gallium and halogen elements. The halogen cycle keeps the filament stable, so you don’t have to worry about blackening. That means the UV output stays consistent over the life of the lamp. And the R7s bi-pin connector? It’s a direct, drop-in fit for most offset plate curing fixtures. It handles the high current without wiggling loose, and swapping the lamp out on the line is a breeze. On the press floor, you need a lamp that cures the photopolymer evenly, with no hot spots. This one hits the right spectral profile and intensity, so you can shorten exposure times and get a more consistent cure. It just runs hard, day after day, giving you results you can count on without constant recalibration.

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Gallium UV lamp for offset plate