Specifically formulated for food cutting & preparation surfaces, Suma Block Whitener provides superior cleaning & whitening of cutting boards & other plastic surfaces. It is a high-alkaline, noncorrosive, RTU-thickened liquid. Thick liquid formula spreads easily over rough surfaces & allows even applications. It begins to work immediately upon application. It should be applied directly to the surfaces & used with a brush for deep cleaning. Powerful formula whitens & brightens cutting boards in as little as 15 minutes. Whitener meets DOT & OSHA noncorrosive requirements. It is pale yellow & has a chlorine scent.