HG/T 3668-2020 "Zinc rich primer"

This standard specifies the technical requirements, test methods and inspection rules of zinc-rich primers. It mainly includes the zinc content of coatings, corrosion resistance, adhesion and drying time. It is suitable for anti-corrosion protection of steel structures and other metal substrates to ensure the performance Stability and long-term durability of coatings in harsh environments.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.