Tissue Machine Refining Training

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Refining is one of the critical process steps in engineering the structure of tissue as it has a major influence on fiber quality. Refining mechanically alters the fibers by brushing, hydrating, and cutting them. These actions increase the flexibility and total surface area of the fibers. The result is more area available for bonding which directly affects sheet strength, formation, and many other properties. This course will describe refining actions as they relate to disc refiners. Other refiner types will have very similar actions and results.