% ISINAC ACOUSTIC WORLD S.L.U. - ISINAC WB IMECO IZZER 33 mm + 400 mm cavity
% Absorption coefficient, one-third octave bands, EN ISO 354.
% Test report: 110259-4, 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 0.80 (H) per ISO 11654 clause 4.3. It is strongly recommended to use this single-number rating together with the complete absorption curve. · Ensayado con junta a tope (butt joint) entre paneles, separados 400 mm de la superficie.

100 0.140
125 0.310
160 0.440
200 0.590
250 0.720
315 0.740
400 0.660
500 0.660
630 0.780
800 0.790
1000 0.840
1250 0.900
1600 0.900
2000 0.930
2500 0.960
3150 0.980
4000 1.010
5000 1.000
