Introduction
We built this infrared lamp for one reason: to dry sealant on high-performance Low-E glass without damaging the delicate coating. It’s all about speed. The heart of it is a halogen infrared source that responds in milliseconds. It hits the temperature you need, holds it just long enough, then pulls the heat back fast. That keeps the film stable and stops oxidation from creeping in—which means you don’t lose emissivity or durability.
What Makes It Tick
This lamp was designed to pack serious heat into a small space. The goal is simple: dry the sealant line without overheating the glass itself. We run it on 400V because that keeps the power steady, even when the lamp cycles on and off quickly. That stability matters, especially when you’re stringing several lamps together. The 300mm tube focuses the beam right where you need it, giving you consistent heat across the sealant bead and nowhere else. And that 2500W output? It means the surface temperature climbs fast.
The Materials Behind the Magic
The halogen element sits inside a quartz tube. Quartz is perfect here—it transmits shortwave infrared cleanly and handles sudden temperature changes without cracking. The halogen gas keeps the filament stable at high heat, so the output stays consistent over a long service life. And the back of the tube has a reflective coating that pushes energy forward, boosting power at the work surface and wasting less heat. For the connection, we use an R7s connector. It’s a proven industrial fit that handles high current and high temperature, so you can swap this lamp straight into existing fixtures without hassle.
In the Real World
On the line, you wire this lamp into the system that cures sealant on Low-E glass. Because it responds in milliseconds, the controller only fires heat when the bead is in place. The short dwell keeps the film below the point where oxidation starts. You get faster line speeds without risking film damage, and you cut scrap from discoloration or coating issues. Just one heads-up: that 2500W power density needs proper cooling and a smart electrical layout. If your cabinet airflow is too small, the lamp will run hotter, and that shortens its life and causes output drift.
The Bottom Line
If you’re drying sealant on Low-E glass, this infrared lamp is a straightforward, practical tool. It brings together high voltage, a short tube, and halogen quartz optics to deliver fast, controllable heat that protects the film from oxidation.
Spec Sheet
**Voltage:**400V **Power:**2500W **Length:**300mm **Connector:**R7s **Technology:**Halogen Infrared **Application:**Low-E Glass Sealant Drying