▎ 摘　　要

NOVELTY - A coating comprises component (A) and component (B). The component (A) comprises 35-50 pts. wt. mixed resin, 1.2-8 pts. wt. graphene dispersion, 30-50 pts. wt. filler, 0.2-2 pts. wt. coupling agent, 0.5-3 pts. wt. thixotropic agent, 0.1-0.5 pt. wt. defoamer and 10-30 pts. wt. solvent. The component (B) comprises mixed curing agent. USE - Coating for heat exchanger tube. ADVANTAGE - The coating has strong adhesion, excellent corrosion resistance, hydrophobicity and high-temperature resistance. The coating has prolonged service life. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of coating.