A composition [composition] comprising: - from 40 to 90 % by weight (wt. %) of at least one poly(aryl ether ketone) polymer having a melt flow rate from 15 g/10 min to 80 g/10 min at 400°C and under a load of 2.16 kg, as measured in accordance with ASTM method D1238 [(PAEK HMF) polymer, herein after], - from 8 to 50 wt. % of at least one poly(tetrafluoroethylene) polymer having a D50 particle size from 2 μm to 8 μm, as measured via dynamic or laser light scattering techniques or using screen analysis according to DIN 53196, and having a melt viscosity equal to or lower than 1x10 5 Pa.s at 372°C measured according to a modified ASTM D-1238-52T method [(PTFE) polymer, herein after], - from 0 to 50 % wt. % of at least one poly(aryl ether sulfone) polymer having a melt flow of at least 15 g/10 min at 365°C and under a load of 5.0 kg, as measured in accordance with ASTM method D1238 [(PAES) polymer, herein after], and - from 0 to 50 % wt. % of at least one reinforcing filler, with the proviso that: - should the composition comprise the (PAES) polymer, the (PAEK HMF) polymer is present in an amount from 40 to 70 wt. %, - should the composition comprise a (PAES) polymer having a melt flow of more than 22 g/10 min, when measured in accordance with ASTM method D1238 at 365°C and under a load of 5.0 kg, then the (PTFE) polymer is present in an amount of less than 40 wt. %, and - should the composition comprise a (PAES) polymer having a melt flow of 22 g/10 min or less, when measured in accordance with ASTM method D1238 at 365°C and under a load of 5.0 kg, then the (PTFE) polymer is present in an amount of less than 30 wt. %, and wherein all % are based on the total weight of the composition. - from 40 to 90 % by weight (wt. %) of at least one poly(aryl ether ketone) polymer having a melt flow rate from 15 g/10 min to 80 g/10 min at 400°C and under a load of 2.16 kg, as measured in accordance with ASTM method D1238 [(PAEK HMF) polymer, herein after], - from 8 to 50 wt. % of at least one poly(tetrafluoroethylene) polymer having a D50 particle size from 2 μm to 8 μm, as measured via dynamic or laser light scattering techniques or using screen analysis according to DIN 53196, and having a melt viscosity equal to or lower than 1x10 5 Pa.s at 372°C measured according to a modified ASTM D-1238-52T method [(PTFE) polymer, herein after], - from 0 to 50 % wt. % of at least one poly(aryl ether sulfone) polymer having a melt flow of at least 15 g/10 min at 365°C and under a load of 5.0 kg, as measured in accordance with ASTM method D1238 [(PAES) polymer, herein after], and - from 0 to 50 % wt. % of at least one reinforcing filler, - should the composition comprise the (PAES) polymer, the (PAEK HMF) polymer is present in an amount from 40 to 70 wt. %, - should the composition comprise a (PAES) polymer having a melt flow of more than 22 g/10 min, when measured in accordance with ASTM method D1238 at 365°C and under a load of 5.0 kg, then the (PTFE) polymer is present in an amount of less than 40 wt. %, and - should the composition comprise a (PAES) polymer having a melt flow of 22 g/10 min or less, when measured in accordance with ASTM method D1238 at 365°C and under a load of 5.0 kg, then the (PTFE) polymer is present in an amount of less than 30 wt. %,