Markal® Polishing Block, Large, Blue, Odorless, 2.5 x 4.5 x 9 in

• Specially formulated for use in rubber roller maintenance and assisting in faster and easier extrusion processes
• It is a high performance chalk with finer texture and richer color lay-down designed to increase production efficiency and reduce manufacturing cost
• Used to identify uneven areas on a rubber roller during the grinding process
• Used in extrusion processes to eliminate sticking, thus allowing the material to slide free
• Finer in texture and richer in color
• Solid physical state
• Used on metals, glass, rubber, ceramic
• A solid crayon like marker appearance