| 摘要 |
An anti-corrosive coating composition is provided to prevent environmental pollution by using additives free from lead and chrome, and to realize improved anti-corrosive property, chemical resistance, yellowing resistance and heat resistance. An anti-corrosive coating composition comprises: 30-40 wt% of an epoxy resin; 15-20 wt% of diphenylmethane diisocyanate as a curing agent; 20-25 wt% of aluminum oxide as a pigment; 12-17 wt% of an alkali metal silicate or magnesium silicate as a dispersant; and 13-18 wt% of a solvent. The epoxy resin is at least one resin selected from bisphenol A epoxy resin and bisphenol F epoxy resin. |
