Ahlstrom manufactures non-toxic paper for use in the seed testing industry and in agricultural research laboratories. The papers are made of pure cellulose fibers, are sufficiently strong for the test, and are designed to avoid any substances which could influence the growth of seedlings. Most are available in sheets, circles, and rolls. Our blotter sheets come in a variety of weights, and surface finishes surface finishes to better enhance visibility and maintain the required moisture levels.