Moisture removal for glass

Tue, 30 Jun 2026 18:12:56 +0800

On the line, moisture is sneaky. It hangs around on the glass surface and in the furnace atmosphere, and it messes with everything. You end up stretching heat-up time, throwing temperature uniformity off spec, and seeing bubbles in lamination, pinholes in coatings, and bow in bent parts. When the heat is slow or uneven, you’re not running the schedule — you’re chasing the curve. What we build around We design moisture-removal heating for glass around fast-response radiant elements — quartz or short-wave infrared. They heat the glass directly, not the air around it. That gives you high power density with low thermal mass, so the zone hits setpoint quickly and responds without overshoot. We size and stage the system to match your conveyor speed and glass load, and we keep spectral output and emissivity matching tight so the surface stays even. Energy use drops because you spend less time ramping and more time in steady state. Here’s why this matters where the rubber meets the glass. In hot bending, the surface has to hit the softening window fast and uniform. Moisture slows that down and makes shape repeatability a headache. In tempering preheat, trapped moisture sets up thermal stress and edge cracks before the quench even starts. In lamination curing — EVA, SGP, or PVB — moisture becomes trapped steam, and you get haze and delamination. In coating drying, leftover water in the film shows up as pinholes and adhesion failure. Moisture-removal heating shortens the thermal path, stabilizes the profile, and tightens the window for consistent optical quality and mechanical performance. The payoff is higher yield, fewer reworks, and a cycle time you can actually count on. A few practical notes. Radiant heating is line-of-sight, so part geometry and fixture shadows matter. We tune zone power and spacing to avoid cold spots. Temperature sensor placement has to see the glass, not the heater housing — otherwise you’re controlling the wrong variable. Keep the element and reflector housing clean, too. Dust and condensates change output and drift the profile. Expect a short commissioning run to map emissivity and line speed. Once you set it, the process holds.

Removal on Professional IR Glass Heating

Moisture removal for glass