A thermoplastic molding material comprising a) 25.0 to 64.5 wt% of at least one thermoplastic polyamide as component A, b) 2.0 to 8.0 wt% of at least one phosphazene of general formula or in which m is an integer from 3 to 25 and R 4 and R 4' are identical or different and represent C 1 -C 20 -alkyl-, C 6 -C 30 -aryl-, C 6 -C 30 -arylalkyl- or C 6 -C 30 -alkyl-substituted aryl or linear phosphazenes of general formula, n represents 3 to 1000 and X represents -N = P(OPh) 3 or -N = P OPh and Y represents -P(OPh) 4 or -P (OPh) 2, as component B, c) 1.5 to 6.0 wt% of at least one aliphatic or aromatic ester of phosphoric acid or polyphosphoric acid as component C, d) 5.0 to 30.0 wt% of at least one metal phosphinate or phosphinic acid salt of general formula or diphosphinic acid salt of general formula or polymers thereof in which R 1, R 2 are identical or different and represent hydrogen, C 1 -C 6 -alkyl, linear or branched, and/or aryl; R 3 represents C 1 -C 10 -alkylene, linear or branched, C 6 -C 10 -arylene, -alkylarylene or -arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m = 1 to 4; n = 1 to 4; x = 1 to 4, preferably m = 3, x = 3, as component D, e) 26.0 to 65.0 wt% of glass fibers as component E, f) 0 to 10.0 wt% of further assistants as component F, wherein the total of components A to E sums to 100.0 wt%. a) 25.0 to 64.5 wt% of at least one thermoplastic polyamide as component A, b) 2.0 to 8.0 wt% of at least one phosphazene of general formula or in which m is an integer from 3 to 25 and R 4 and R 4' are identical or different and represent C 1 -C 20 -alkyl-, C 6 -C 30 -aryl-, C 6 -C 30 -arylalkyl- or C 6 -C 30 -alkyl-substituted aryl or linear phosphazenes of general formula, n represents 3 to 1000 and X represents -N = P(OPh) 3 or -N = P OPh and Y represents -P(OPh) 4 or -P (OPh) 2, as component B, in which m is an integer from 3 to 25 and R 4 and R 4' are identical or different and represent C 1 -C 20 -alkyl-, C 6 -C 30 -aryl-, C 6 -C 30 -arylalkyl- or C 6 -C 30 -alkyl-substituted aryl or linear phosphazenes of general formula, n represents 3 to 1000 and X represents -N = P(OPh) 3 or -N = P OPh and Y represents -P(OPh) 4 or -P (OPh) 2, as component B, c) 1.5 to 6.0 wt% of at least one aliphatic or aromatic ester of phosphoric acid or polyphosphoric acid as component C, d) 5.0 to 30.0 wt% of at least one metal phosphinate or phosphinic acid salt of general formula or diphosphinic acid salt of general formula or polymers thereof in which R 1, R 2 are identical or different and represent hydrogen, C 1 -C 6 -alkyl, linear or branched, and/or aryl; R 3 represents C 1 -C 10 -alkylene, linear or branched, C 6 -C 10 -arylene, -alkylarylene or -arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m = 1 to 4; n = 1 to 4; x = 1 to 4, preferably m = 3, x = 3, as component D, R 1, R 2 are identical or different and represent hydrogen, C 1 -C 6 -alkyl, linear or branched, and/or aryl; R 3 represents C 1 -C 10 -alkylene, linear or branched, C 6 -C 10 -arylene, -alkylarylene or -arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m = 1 to 4; n = 1 to 4; x = 1 to 4, preferably m = 3, x = 3, as component D, e) 26.0 to 65.0 wt% of glass fibers as component E, f) 0 to 10.0 wt% of further assistants as component F, wherein the total of components A to E sums to 100.0 wt%.