JT/T 821.4-2011 "Anti-corrosive coatings for concrete brid ge surface"

The JT/T 821.4-2011 standard specifies requirements and test methods for water-based anti-corrosion coatings for concrete bridge structural surfaces. The standard covers the performance of water-based paints in anti-corrosion, including water resistance, adhesion and weathering resistance. The standard aims to provide an environmentally friendly and effective coating option to ensure long-term protection and maintenance of concrete bridges.

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