Rectorseal 17432 No. 7 Pipe Thread Sealant, 1 Pint Brush Top Can, Black Size: 1 pt Color: Black Mild odor It is impervious to-freeze damage and will not harden with age Lead-free and contains no metals It is impervious to freeze damage and will not harden with age Lead free and contains no metals Can be used on a variety of metal piping including iron, galvanized steel, stainless steel, brass, copper and aluminum Resistant to alcohols, gasoline and hydraulic fluid Complies with Federal Specification AMS-S-7916