| abstract |
Provided are a fin material for heat exchangers, which has an excellent stain adhesion suppressing effect and an excellent stain removing capability, and a heat exchanger using the fin material. This fin material (1) has: a substrate (2) made of aluminum; and a coating film (3) formed at least on one of the surfaces of the substrate, and the heat exchanger uses this fin material. The coating film (3) has a positively-charged coating (31) on the outermost surface. The coating (31) is substantially consisting of at least one selected from the group consisting of cellulose resins, acrylic resins, vinyl alcohol resins, acrylamide resins, and ester resins. The surface roughness Ra of the coating film (3) is 100 nm or less. |