Circular Carbide Knives in Custom and Standard Sizes Circle die/blade is mainly used in cakes, paper, film, gold, silver foil, aluminum foil and copper foil items such as cutting, request the blade to cut off the least resistance, wear resistance is the largest.Round blade products are widely used in ceramics, printing machinery, paper-making industry, carton, forestry machinery, textile, rubber, plastic, food, electrical appliances, light industry machinery, aluminum foil, metallized film, tobacco, tobacco machinery, packaging materials, thin films, electronic appliances, wire and cable, shipbuilding, chemical fiber, glass fiber, textile, feed, paper tube, forestry, woodworking machinery, plastic crushing, edge sealing, the sealing machine, bottom seal bag making machine, wood processing, food packaging aluminum foil, paper cutting, metallurgy mechanical and electrical, medicinal materials, rubber and other industries. ...