This highway grade salt is a coarse mixture of all sizes ranging from 3/8” and smaller. It is a consistently mixed product that meets or exceeds ASTM specifications for both particle size grading and purity. Compared to other highway salts it is extremely cost effective and has superior de-icing properties, resistance to blowing, and the ability to begin melting ice quickly. It is a highly effective product used mainly for de-icing of roadways, bridges, parking lots, and other key areas.