A powder coating material comprising a fluorinated polymer having units based on a fluoroolefin, units based on a monomer represented by the following formula and units based on a monomer represented by the following formula, wherein the content of the units based on a monomer represented by the formula is from 5 to 20 mol% to all units in the fluorinated polymer, wherein the content of the units based on a fluoroolefin is from 20 to 60 mol%, and the content of the units based on a monomer represented by the formula is from 5 to 60 mol%, to all units in the fluorinated polymer, and the fluorinated polymer has a melt viscosity at 170°C of from 20 to 100 Pa·s, as determined by heating a sample at a heating rate of 10°C/min from 130°C to 200°C by using a rotary rheometer, and reading the value at 170°C: formula: X-Z formula: CHR 2 1 =CR 2 2 (CH 2) n COOH wherein X is CH 2 =CHC O-, CH 2 =C(CH 3)C O-, CH 2 =CHOC -, CH 2 =CHCH 2 OC -, CH 2 =CHO- or CH 2 =CHCH 2 O-, Z is a C 4-8 alkyl group represented by the formula -C(Z 1) 3, a C 6-10 cycloalkyl group, a C 6-10 cycloalkylalkyl group, a C 6-10 aryl group or a C 7-12 aralkyl group, provided that three Z 1 's are each independently a C 1-5 alkyl group, and the total number of carbon atoms of the three Z 1 's is an integer of from 3 to 7, R 21 and R 22 are each independently a hydrogen atom or a C 1-3 alkyl group, and n is an integer of from 0 to 12, wherein the fluorinated polymer contains no units based on a monomer represented by the following formula, or contains the units in a content of less than 8 mol% to all units in the fluorinated polymer: formula: X 5 -Z 5 wherein X 5 is CH 2 =CHC O-, CH 2 =C(CH 3)C O-, CH 2 =CHOC -, CH 2 =CHCH 2 OC -, CH 2 =CHO- or CH 2 =CHCH 2 O-, and Z 5 is an alkyl group having at least 4 carbon atoms, excluding a C 4-8 alkyl group represented by the formula -C(Z 1) 3, provided that three Z 1 's are each independently a C 1-5 alkyl group, and the total number of carbon atoms of the three Z 1 's is an integer of from 3 to 7, and wherein the content in mol% of the units in the fluorinated polymer is obtained by analyzing the fluorinated polymer by NMR analysis method. wherein the content of the units based on a monomer represented by the formula is from 5 to 20 mol% to all units in the fluorinated polymer, wherein the content of the units based on a fluoroolefin is from 20 to 60 mol%, and the content of the units based on a monomer represented by the formula is from 5 to 60 mol%, to all units in the fluorinated polymer, and the fluorinated polymer has a melt viscosity at 170°C of from 20 to 100 Pa·s, as determined by heating a sample at a heating rate of 10°C/min from 130°C to 200°C by using a rotary rheometer, and reading the value at 170°C: formula: X-Z formula: CHR 2 1 =CR 2 2 (CH 2) n COOH wherein X is CH 2 =CHC O-, CH 2 =C(CH 3)C O-, CH 2 =CHOC -, CH 2 =CHCH 2 OC -, CH 2 =CHO- or CH 2 =CHCH 2 O-, Z is a C 4-8 alkyl group represented by the formula -C(Z 1) 3, a C 6-10 cycloalkyl group, a C 6-10 cycloalkylalkyl group, a C 6-10 aryl group or a C 7-12 aralkyl group, provided that three Z 1 's are each independently a C 1-5 alkyl group, and the total number of carbon atoms of the three Z 1 's is an integer of from 3 to 7, R 21 and R 22 are each independently a hydrogen atom or a C 1-3 alkyl group, and n is an integer of from 0 to 12, wherein the fluorinated polymer contains no units based on a monomer represented by the following formula, or contains the units in a content of less than 8 mol% to all units in the fluorinated polymer: formula: X 5 -Z 5 wherein X 5 is CH 2 =CHC O-, CH 2 =C(CH 3)C O-, CH 2 =CHOC -, CH 2 =CHCH 2 OC -, CH 2 =CHO- or CH 2 =CHCH 2 O-, and wherein the fluorinated polymer contains no units based on a monomer represented by the following formula, or contains the units in a content of less than 8 mol% to all units in the fluorinated polymer: formula: X 5 -Z 5 wherein X 5 is CH 2 =CHC O-, CH 2 =C(CH 3)C O-, CH 2 =CHOC -, CH 2 =CHCH 2 OC -, CH 2 =CHO- or CH 2 =CHCH 2 O-, and Z 5 is an alkyl group having at least 4 carbon atoms, excluding a C 4-8 alkyl group represented by the formula -C(Z 1) 3, provided that three Z 1 's are each independently a C 1-5 alkyl group, and the total number of carbon atoms of the three Z 1 's is an integer of from 3 to 7, and