Standard 120W/cm mercury UV lamp

Wed, 22 Jul 2026 06:40:45 +0800

Let’s talk about the 120W/cm Mercury UV Lamp

If you’re working with UV-curable inks and coatings, you’ve probably run into the “120W/cm” spec. It sounds like a mouthful, but it’s actually pretty simple. It just tells you how much power is packed into every centimeter of the lamp. So, if you’ve got a 100cm lamp, you’re pulling 12kW. It’s a solid, mid-range power level that gets the job done without overcomplicating things.

The balance of power and heat

These mercury vapor lamps do a bit of a double-act. They hit two main peaks—254nm and 365nm. Why does that matter? Because it means the lamp isn’t just drying the surface; it’s digging deep into those thicker ink deposits to make sure everything is cured all the way through. But here’s the catch: you can’t just keep cranking up the wattage. If you push too much power into a short tube, the quartz can actually crack from the heat. It’s a nightmare. To keep things running smoothly, make sure your reflectors are sparkling clean and your cooling fans are actually moving enough air. If the tube gets too hot, you’re asking for trouble.

120W/Cm on UV Curing Flow

Standard 120W/cm mercury UV lamp

Let’s talk about the 120W/cm Mercury UV Lamp

The balance of power and heat