Urea/phosphate de-icing mixture - for roads, the phosphate inhibiting the corrosive action of urea on iron

摘要

Compsn. comprises chiefly urea, and as corrosion inhibitor 0.5% max, pref. 0.1-0.2% diammonium phosphate; an alkyl sulphonate conditioner may also be present to inhibit agglomeration of the urea.