Japan’s Hidaka Washi Produces the World’s Thinnest Paper

From their factory in the Kochi prefecture of Japan, Hidaka Washi produces tengujo, the world’s thinnest paper, which has been produced for more than 1000 years in the region. Hidaka Washi has done so since first opening their doors in 1949. There, workers soak the stems of mulberry trees (kozo) and then pound them into lumps of fibers. With the addition of all-natural neri, and …