Xuan paper from others. The process includes steaming and bleaching the bark of "Pteroceltis tatarinowii", as well as the addition of a variety of juices. Xuan paper Xuan paper ("xuanzhi" ), or Shuen paper or rice paper, is a kind of paper originating in ancient China used for writing and painting. Xuan paper is renowned for being soft and fine textured, suitable for conveying the artistic expression of both Chinese calligraphy and painting. Xuan paper was first mentioned in ancient Chinese books "Notes of Past Famous Paintings" and "New Book of Tang". It was originally produced in the Tang dynasty in Jing
Paper machine nips formed by rolls pressing against each other aided by press felts that support the sheet and absorb the pressed water. The dryer section of the paper machine, as its name suggests, dries the paper by way of a series of internally steam-heated cylinders that evaporate the moisture. Calenders are used to make the paper surface extra smooth and glossy. In practice calender rolls are normally placed vertically in a "stack". From the machine chest stock is pumped to a head tank, commonly called a "head tank" or "stuff box", whose purpose is to maintain a constant head (pressure) on