(1)Industry Grade Acetaldehyde --- 0.05%Max Formic Acid --- 0.003%Max Iron --- 0.0002%Max The Heavy Metal --- 0.0002%max (2) Food Grade AS --- 0.0001%Max Freezing Point --- 14.5"C Min Evaporates the Resdual --- 0.01%Max The Heavy Metal --- 0.0002%max 25kg/30kg/225kg/1MT plastic drums