NP-740 GALVA POLYESTER PUTTY – is a versatile and multifunctional polyester filler that is suitable for use on all metallic surfaces, including aluminum, stainless steel, galvanized steel, and bare metal, as well as wood and polyester surfaces. NP-740 is specifically formulated for exceptional adhesion on galvanized surfaces at elevated temperatures makes it an ideal choice for a wide range of applications, while its quick drying time and easy sanding properties ensure a smooth, professional-grade finish.