2015 is the 100 year anniversary of TAPPI and we are celebrating the successes of the industry, people and companies who have contributed. Our celebration will focus on the innovative discoveries and breakthroughs by academic and industrial research groups over the past 100 years.
July 30, 2014 June
The calender section of a paper machine is where paper is run through a series of hard pressure rollers, making it smooth and glossy for printing and writing. The pressure applied to the paper web by the rollers determines the finish of the paper. In a principal application, the calender is located at the end of a papermaking process (on-line). Those that are used separate from the process (off-line) are called supercalenders. A supercalender is a vertical alternating stack of hard polished steel and soft cotton (or other resilient material) rolls. Supercalendering is a paper finishing operation that ... read more