UV and IR sealant curing

Sat, 27 Jun 2026 02:35:54 +0800

On the insulating glass line, the second seal is where the day gets real. Polysulfide or silicone needs to set fast, but you can’t cook the primary seal to make it happen. Uneven heat drives thermal stress, and a warped spacer will come back to haunt you at final inspection. So we built our UV and IR curing modules to sit right in that narrow window—energy that hits fast and even, without beating up the glass or the gasket. What matters, technically We run tuned short-wave IR emitters with pulsed UV lamps to hit the sealant surface without soaking the edge seal. Quartz elements give you a quick thermal ramp, and the spectral output is matched to the catalyst chemistry. The payoff is a repeatable cure profile: line speeds up to 15 m/min, temperature uniformity within ±2°C across the bead, and power density controlled so coatings don’t discolor. It takes 400 V three-phase, and the footprint is a straight swap for standard OEM curing stations. Energy draw drops 18–25% compared to broadband halogen, and lamp life runs 5,000+ hours with controlled output decay. Here’s why it works on the floor. Insulating glass production lives in seconds. Faster curing tightens the second-seal cycle, freeing up press time and cutting work-in-process. Uniform heating keeps the spacer geometry honest, which means fewer rejects from optical distortion and edge stress. The energy savings add up over a shift, and the modular design drops in without tearing up the conveyor. You’ll see fewer callbacks for hot spots, and bead adhesion stays consistent shift after shift. A few things to keep straight. Cure behavior depends on sealant depth and emissivity, so we dial in intensity and dwell for each bead geometry. Surface temperature needs to be monitored with a calibrated pyrometer—ambient dust and glass reflectivity will throw readings off. Setup is a short calibration run to lock in speed and lamp output. Once it’s set, the system runs with minimal fiddling, but it does need clean air and scheduled lamp inspections to hold the uniformity you want.

Glass sealant drying infrared lamp

Sun, 31 May 2026 03:16:12 +0800

On the insulating glass line, the sealant has to cure fast and evenly—otherwise, you’re staring at rejects. Miss the right heat profile, and you’ll see bubbles, weak adhesion, or worse: thermal stress cracks in the glass itself. The line stalls. Scrap piles up. And everyone’s eyes land on the heating step. We built the glass sealant drying infrared lamp to hit that step where it matters: the moment the sealant transitions from wet to fully set, without cooking the glass. This isn’t a general-purpose heater. It’s a production tool tuned for glass processing, where temperature uniformity and repeatability translate straight into yield.

Sealant on Pure Infrared Heating Systems

UV and IR sealant curing

Glass sealant drying infrared lamp