| abstract |
(57) [Summary] [Object] To provide a method for forming a coating film of a powder coating, which can form a coating film having a film thickness of 80 μm, good finishability, and good machinability. [Composition] Epoxy equivalent is 60 at a softening point of 75 to 135 ° C. A bisphenol A type epoxy resin of 0 to 2,800 is used in combination with a highly reactive novolac type epoxy resin, For cutting, characterized in that imidazole or acid anhydride is used as a curing agent, and if necessary, powder coating containing 30 to 100 parts by weight of an inorganic filler is applied to a casting for cutting and baked. A method of forming a coating film on a casting. |