Datasets containing the wavelengths at a 1 nm interval and
tabulated values spectral transmittance for Courtaulds di-acetate films.
1) Films (0.115 mm thick) stretched 25 cm below lamps Q-Panel UVB313 and
exposed to UV radiaition from different lengths of time per day. All films
were installed and sampled at the same time. The digits give the number of
minutes per day that the lamps were on.
2) New films of different thicknesses.