% ISINAC ACOUSTIC WORLD S.L.U. - ISINAC CURTAIN ILUCS 1 capa + 300 mm cavity
% Absorption coefficient, one-third octave bands, EN ISO 354.
% Test report: 115541-3, 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 0.45 (H) per ISO 11654 clause 4.3. It is strongly recommended to use this single-number rating together with the complete absorption curve.

100 0.110
125 0.180
160 0.210
200 0.340
250 0.420
315 0.430
400 0.470
500 0.410
630 0.370
800 0.390
1000 0.410
1250 0.460
1600 0.470
2000 0.480
2500 0.520
3150 0.570
4000 0.610
5000 0.630
