Paper Industry
Wet Stretch Measurement System ( W S D)
As machine speeds in paper coating and converting operations steadily increase, papers are stretched more than before, eg. In the printing press, which may result in misregister problems. Because of this, the paper quality has to be assessed prior to upgrading and converting.
It reveals the behavior of paper materials during printing and impregnating processes. The results provide information about the composition of papers or liquids such as inks or impregnating resins, so that industrialists can work on optimization.
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As machine speeds in paper coating and converting operations steadily increase, papers are stretched more than before, eg. In the printing press, which may result in misregister problems. Because of this, the paper quality has to be assessed prior to upgrading and converting. However, traditional static test methods such as wet tensile, COBB, or HST tests fail to satisfactorily describe the converting behavior. What is needed for quality assurance is more detailed test methods which give close-to-reality results. This is where the WSD Analyzer comes in-to measure the wet stretch dynamics of paper.
It reveals the behavior of paper materials during printing and impregnating processes. The results provide information about the composition of papers or liquids such as inks or impregnating resins, so that industrialists can work on optimization.
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