An agent, which is a mold release agent comprising as component A at least one compound selected from phosphoric acid ester compounds of formula I and salts thereof: [R 1 -X 1 -X a1 -PE 1 -X b1] α -P(=O)- 3-α wherein, each independently at each occurrence, R 1 is H or a monovalent organic group; X 1 is a single bond, O, NR 3 -, wherein R 3 is H or C 1-20 -alkyl, or a divalent organic group; X a1 is a single bond or O; PE 1 is a group of the formula - (C x H 2x O) n1 -, wherein x is an integer of 1-6 for each C x H 2X O unit; n1 is in a range of 1-20; X b1 is a single bond or C 1-6 -alkylene; and α is 1 or 2; the agent being characterized in that it comprises at least one further component selected from the following components B1, B2, B3 and C: B1) at least one compound having a number average molecular weight of ≥ 250 and being represented by formula II: R 2 -X 2 -[X a2 -PE 2 -X b2 -H] β wherein, each independently at each occurrence, R 2 is or a monovalent organic group; X 2 H is a single bond, O, N or NR 3 -, wherein R 3 is H or C 1-20 -alkyl; X a2 is a single bond or O; PE 2 is a group of the formula -(C y H 2y O) n2 -, wherein y is an integer of 1-6 for each C x H 2X O unit, and n2 is an integer; X b2 is a single bond or C 1-6 -alkylene; and β is 1 or 2; B2) polyorganosiloxane having, as a main constituent, at least one structure selected from the formulae V and VI, wherein R 11 is a chain or cyclic C 1-12 -alkyl: B3) a silicone oil; and C) a polymer having a constituent unit derived from a compound of formula: Rf-R 41 -O-C(=O)-C(R 42)=CH 2 wherein, each independently at each occurrence Rf is a linear or branched C 1-6 -fluoroalkyl or C 1-6 -fluoroalkenyl group; R 41 is a divalent organic group; and R 42 is H or methyl. as component A at least one compound selected from phosphoric acid ester compounds of formula I and salts thereof: [R 1 -X 1 -X a1 -PE 1 -X b1] α -P(=O)- 3-α wherein, each independently at each occurrence, R 1 is H or a monovalent organic group; X 1 is a single bond, O, NR 3 -, wherein R 3 is H or C 1-20 -alkyl, or a divalent organic group; X a1 is a single bond or O; PE 1 is a group of the formula - (C x H 2x O) n1 -, wherein x is an integer of 1-6 for each C x H 2X O unit; n1 is in a range of 1-20; X b1 is a single bond or C 1-6 -alkylene; and α is 1 or 2; the agent being characterized in that it comprises at least one compound selected from phosphoric acid ester compounds of formula I and salts thereof: [R 1 -X 1 -X a1 -PE 1 -X b1] α -P(=O)- 3-α wherein, each independently at each occurrence, R 1 is H or a monovalent organic group; X 1 is a single bond, O, NR 3 -, wherein R 3 is H or C 1-20 -alkyl, or a divalent organic group; X a1 is a single bond or O; PE 1 is a group of the formula - (C x H 2x O) n1 -, wherein x is an integer of 1-6 for each C x H 2X O unit; n1 is in a range of 1-20; x is an integer of 1-6 for each C x H 2X O unit; n1 is in a range of 1-20; X b1 is a single bond or C 1-6 -alkylene; and α is 1 or 2; the agent being characterized in that it comprises at least one further component selected from the following components B1, B2, B3 and C: B1) at least one compound having a number average molecular weight of ≥ 250 and being represented by formula II: R 2 -X 2 -[X a2 -PE 2 -X b2 -H] β wherein, each independently at each occurrence, R 2 is or a monovalent organic group; X 2 H is a single bond, O, N or NR 3 -, wherein R 3 is H or C 1-20 -alkyl; X a2 is a single bond or O; PE 2 is a group of the formula -(C y H 2y O) n2 -, wherein y is an integer of 1-6 for each C x H 2X O unit, and n2 is an integer; X b2 is a single bond or C 1-6 -alkylene; and β is 1 or 2; B2) polyorganosiloxane having, as a main constituent, at least one structure selected from the formulae V and VI, wherein R 11 is a chain or cyclic C 1-12 -alkyl: B3) a silicone oil; and C) a polymer having a constituent unit derived from a compound of formula: Rf-R 41 -O-C(=O)-C(R 42)=CH 2 wherein, each independently at each occurrence Rf is a linear or branched C 1-6 -fluoroalkyl or C 1-6 -fluoroalkenyl group; R 41 is a divalent organic group; and R 42 is H or methyl. B1) at least one compound having a number average molecular weight of ≥ 250 and being represented by formula II: R 2 -X 2 -[X a2 -PE 2 -X b2 -H] β wherein, each independently at each occurrence, R 2 is or a monovalent organic group; X 2 H is a single bond, O, N or NR 3 -, wherein R 3 is H or C 1-20 -alkyl; X a2 is a single bond or O; PE 2 is a group of the formula -(C y H 2y O) n2 -, wherein y is an integer of 1-6 for each C x H 2X O unit, and n2 is an integer; X b2 is a single bond or C 1-6 -alkylene; and β is 1 or 2; B2) polyorganosiloxane having, as a main constituent, at least one structure selected from the formulae V and VI, wherein R 11 is a chain or cyclic C 1-12 -alkyl: R 2 is or a monovalent organic group; X 2 H is a single bond, O, N or NR 3 -, wherein R 3 is H or C 1-20 -alkyl; X a2 is a single bond or O; PE 2 is a group of the formula -(C y H 2y O) n2 -, wherein y is an integer of 1-6 for each C x H 2X O unit, and n2 is an integer; X b2 is a single bond or C 1-6 -alkylene; and β is 1 or 2; B2) polyorganosiloxane having, as a main constituent, at least one structure selected from the formulae V and VI B3) a silicone oil; and C) a polymer having a constituent unit derived from a compound of formula: Rf-R 41 -O-C(=O)-C(R 42)=CH 2 wherein, each independently at each occurrence Rf is a linear or branched C 1-6 -fluoroalkyl or C 1-6 -fluoroalkenyl group; R 41 is a divalent organic group; and R 42 is H or methyl. Rf is a linear or branched C 1-6 -fluoroalkyl or C 1-6 -fluoroalkenyl group; R 41 is a divalent organic group; and R 42 is H or methyl.