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Moisture control in MDF lines

Moisture control in MDF lines

JD Jörn Döscher · M.Eng. · 30 years of microwave measurement · 2 min read

Definition. Where MoistureScan XT is installed and what typical impact looks like.

In an MDF line, the fiber dryer is the critical point: At 130–140 °C it produces the fiber's final moisture. If it fluctuates, the press suffers — stop-and-go mode, yield down.

MoistureScan XT is installed directly after the fiber dryer. 100 Hz sample rate, density-independent, rated for 140 °C. Connected via OPC UA to the PLC — controls dryer setpoint.

Typical effect: Stop-and-go phases disappear, press yield rises 1–2 %, scrap drops 15–20 %, ROI in 9–14 months.

FAQ

Does this work in OSB lines too? +

Yes, typically after the strand dryer and before the forming machine.

Practical tip

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Three data points — material, temperature, position — are enough for a first sensor recommendation.

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