PVB Humidity Meter

The PVB Humidity meter measures the water contained in the PVB before and after lamination.

Layer thickness can also be measured.

 


PVB humidity measurement is important to prevent delamination. Indeed, adhesion works best
with humidities between 0.4 and 0.65%. If the water content exceeds this range, e.g., due to
humidity entering the system from outside, the adhesion is reduced and the PVB layer can detach

 

from the glass (delamination). In order to prevent this from happening, the water content needs to
be closely monitored during the production, storage, transportation, and lamination of the glass.

The PVB humidity meter is calibrated for each customer based on their samples.

 

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