| 摘要 |
PROBLEM TO BE SOLVED: To provide an aluminum fin having superior anti-frosting performance even in a cross fin tube type heat exchanger having a narrow fin interval (fin interval of 2 mm or less). SOLUTION: This aluminum fin 1 for the heat exchanger is composed of a base 10 composed of aluminum, and one or more coating films 2 formed on a surface of the base 10. A component included in the outermost coating film 2 among the coating film, satisfies A+B≥95%, A≥1%, and B≥1% by solid content mass percent, when a fluorine resin including an perfluoroalkyl group is A, and an amino resin is B. Preferably, A≥15%, and B≥10%. The outermost coating film 2 preferably has a water droplet contact angle of 90-150°. COPYRIGHT: (C)2011,JPO&INPIT |
