Several factors contribute to long doctor blade life. Coatings, proper setting of the blade, and properly selecting a blade for your application/press will go a long way toward prolonging the life of the blade, as well as other press components such as anilox rolls. Considering the plethora of coatings and materials available to printers, blade selection today goes far beyond simply considering price. According to Perry Lichon, president of Retroflex, "While blade materials should be judged by their ability to doctor, they should also be judged for ease of handling, blade life, impact on roll wear, and overall cost."
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