% ISINAC ACOUSTIC WORLD S.L.U. - ISINAC TENS-TEX IZZER sin espuma 15 mm
% Absorption coefficient, one-third octave bands, EN ISO 354.
% Test report: B2023-LACUS-IN-195-6, Fundacion Tecnalia R&I
% Columns: frequency (Hz), absorption coefficient (-). Values may exceed 1 (edge effect).
% Use as an Interpolation function in COMSOL (Ray Acoustics / Acoustic Diffusion Equation).
% alpha_w 0.25 (H) per ISO 11654 clause 4.3. It is strongly recommended to use this single-number rating together with the complete absorption curve.

100 0.040
125 0.040
160 0.050
200 0.080
250 0.080
315 0.110
400 0.170
500 0.220
630 0.230
800 0.240
1000 0.260
1250 0.310
1600 0.380
2000 0.470
2500 0.590
3150 0.710
4000 0.820
5000 0.870
