| abstract |
(57) [Problem] A powder coating having a characteristic that a thick film can be easily obtained with one coat and has properties that can withstand normal use, but the film is easily peeled off by shot blasting or the like. Provided is a powder coating composition suitable for a gas cylinder requiring an easily coated film. A powder coating containing an acid-terminated polyester resin (main resin) and β-hydroxyalkylamide (curing agent), wherein the curing agent has an equivalent of 45 to 95% of the main resin equivalent. , Preferably containing 55 to 90%, the extender pigment is 20 PHR or more and 100 PHR or less, Preferably, the powder coating composition contains 40 PHR or more and 85 PHR or less. |