(ASTM 780 Approved / 550 Hours Salt Water Resistance) Contains more than 98% purity zinc and zinc compounds, provides long-term protection against corrosion in metals. Fast drying, smooth, non-porous and paintable. Heat resistant up to +300°C. It is widely used in the automotive industry and construction sector. Repairs damaged galvanised coatings. Conforms to ASTM A 780. According to DIN EN ISO 9227; It has 550 hours salt water spray test approval, no corrosion was observed on metal parts coated with Winkel Zinc Spray Perfect Bright up to 550 hours.