Measuring flexibility of resin films

Please, could anybody tell me how does one test flexibility of resin films
accurately, i.e. mathematically? Any input gratefully accepted.

Dominique A Rogers
3rd year BSc conservation
London Guildhall University

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                  Conservation DistList Instance 8:55
                Distributed: Wednesday, January 18, 1995
                        Message Id: cdl-8-55-008
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