<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to
file with the Securities and Exchange Commission, Washington, D. C., under
the provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL
REPORT ON FORM 10-K, hereby constitutes and appoints SAMUEL N. DAVIS and
PETER J. LINN his/her true and lawful attorneys-in-fact and agents, with full
power of substitution and resubstitution, for him/her and in his/her name,
place and stead, in any and all capacities, to sign such Report and any or
all amendments or documents related thereto, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and substitute or substitutes, and each of them, full power and
authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and
purposes and he/she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents or any of them or their
or his/her substitute or substitutes may lawfully do or cause to be done by
virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as
of this 16th day of March, 2001.



                                              /s/ Samuel B. Davis
                                  ---------------------------------------
                                                 Samuel B. Davis
                                  Chairman of the Board, Chief Executive Officer
                                                 Treasurer and Director


                                       24

<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to
file with the Securities and Exchange Commission, Washington, D. C., under
the provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL
REPORT ON FORM 10-K, hereby constitutes and appoints SAMUEL B. DAVIS, and
PETER J. LINN his/her true and lawful attorneys-in-fact and agents, with full
power of substitution and resubstitution, for him/her and in his/her name,
place and stead, in any and all capacities, to sign such Report and any or
all amendments or documents related thereto, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and substitute or substitutes, and each of them, full power and
authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and
purposes and he/she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents or any of them or their
or his/her substitute or substitutes may lawfully do or cause to be done by
virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as
of this 19th day of March, 2001.



                                             /s/ Samuel N. Davis
                                  ---------------------------------------------
                                                 Samuel N. Davis
                                                     Director


                                      25

<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to
file with the Securities and Exchange Commission, Washington, D. C., under
the provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL
REPORT ON FORM 10-K, hereby constitutes and appoints SAMUEL B. DAVIS, SAMUEL
N. DAVIS and PETER J. LINN his/her true and lawful attorneys-in-fact and
agents, with full power of substitution and resubstitution, for him/her and
in his/her name, place and stead, in any and all capacities, to sign such
Report and any or all amendments or documents related thereto, and to file
the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and substitute or substitutes, and each of
them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes and he/she might or could do in person, hereby ratifying
and confirming all that said attorneys-in-fact and agents or any of them or
their or his/her substitute or substitutes may lawfully do or cause to be
done by virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as
of this 20th day of March, 2001.



                                           /s/ John Trostheim
                                  ---------------------------------------------
                                               John Trostheim
                                                   Director


                                       26

<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to
file with the Securities and Exchange Commission, Washington, D. C., under
the provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL
REPORT ON FORM 10-K, hereby constitutes and appoints SAMUEL B. DAVIS, SAMUEL
N. DAVIS and PETER J. LINN his/her true and lawful attorneys-in-fact and
agents, with full power of substitution and resubstitution, for him/her and
in his/her name, place and stead, in any and all capacities, to sign such
Report and any or all amendments or documents related thereto, and to file
the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and substitute or substitutes, and each of
them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes and he/she might or could do in person, hereby ratifying
and confirming all that said attorneys-in-fact and agents or any of them or
their or his/her substitute or substitutes may lawfully do or cause to be
done by virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as
of this 22nd day of March, 2001.



                                          /s/ Charles R. Coate
                                 ----------------------------------------------
                                              Charles R. Coate
                                              Director


                                       27

<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to
file with the Securities and Exchange Commission, Washington, D. C., under
the provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL
REPORT ON FORM 10-K, hereby constitutes and appoints SAMUEL B. DAVIS, SAMUEL
N. DAVIS and PETER J. LINN his/her true and lawful attorneys-in-fact and
agents, with full power of substitution and resubstitution, for him/her and
in his/her name, place and stead, in any and all capacities, to sign such
Report and any or all amendments or documents related thereto, and to file
the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and substitute or substitutes, and each of
them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes and he/she might or could do in person, hereby ratifying
and confirming all that said attorneys-in-fact and agents or any of them or
their or his/her substitute or substitutes may lawfully do or cause to be
done by virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as
of this 23rd day of March, 2001.



                                            /s/ Robert L. Zieg
                                   --------------------------------------------
                                                Robert L. Zieg
                                                Director


                                       28

<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to file
with the Securities and Exchange Commission, Washington, D. C., under the
provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL REPORT
ON FORM 10-K, hereby constitutes and appoints SAMUEL B. DAVIS, SAMUEL N. DAVIS
and PETER J. LINN his/her true and lawful attorneys-in-fact and agents, with
full power of substitution and resubstitution, for him/her and in his/her name,
place and stead, in any and all capacities, to sign such Report and any or all
amendments or documents related thereto, and to file the same, with all exhibits
thereto, and other documents in connection therewith, with the Securities and
Exchange Commission, granting unto said attorneys-in-fact and agents, and
substitute or substitutes, and each of them, full power and authority to do and
perform each and every act and thing requisite and necessary to be done in and
about the premises, as fully to all intents and purposes and he/she might or
could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or any of them or their or his/her substitute or
substitutes may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as of
this 20th day of March, 2001.



                                            /s/ Carl J. Aschinger, Jr.
                                   --------------------------------------------
                                                Carl J. Aschinger, Jr.
                                                Director


                                       29

<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to
file with the Securities and Exchange Commission, Washington, D. C., under
the provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL
REPORT ON FORM 10-K, hereby constitutes and appoints SAMUEL B. DAVIS, SAMUEL
N. DAVIS and PETER J. LINN his/her true and lawful attorneys-in-fact and
agents, with full power of substitution and resubstitution, for him/her and
in his/her name, place and stead, in any and all capacities, to sign such
Report and any or all amendments or documents related thereto, and to file
the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and substitute or substitutes, and each of
them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes and he/she might or could do in person, hereby ratifying
and confirming all that said attorneys-in-fact and agents or any of them or
their or his/her substitute or substitutes may lawfully do or cause to be
done by virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as
of this 21st day of March, 2001.



                                          /s/ Russell M. Gertmenian
                                 ----------------------------------------------
                                              Russell M. Gertmenian
                                                   Director


                                       30

<PAGE>

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or
director of LIQUI-BOX CORPORATION, an Ohio corporation, which is about to
file with the Securities and Exchange Commission, Washington, D. C., under
the provisions of the Securities Exchange Act of 1934, as amended, an ANNUAL
REPORT ON FORM 10-K, hereby constitutes and appoints SAMUEL B. DAVIS, SAMUEL
N. DAVIS and PETER J. LINN his/her true and lawful attorneys-in-fact and
agents, with full power of substitution and resubstitution, for him/her and
in his/her name, place and stead, in any and all capacities, to sign such
Report and any or all amendments or documents related thereto, and to file
the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and substitute or substitutes, and each of
them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes and he/she might or could do in person, hereby ratifying
and confirming all that said attorneys-in-fact and agents or any of them or
their or his/her substitute or substitutes may lawfully do or cause to be
done by virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his/her hand and seal as of
this 15th day of March, 2001.



                                            /s/ Peter J. Linn
                                  ---------------------------------------------
                                                Peter J. Linn
                                              Director of Finance


                                       31