% ISINAC ACOUSTIC WORLD S.L.U. - ISINAC WH 40 mm
% Absorption coefficient, one-third octave bands, EN ISO 354.
% Test report: Istituto Giordano 2011/1496-B, Istituto Giordano
% 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 0.60 (M) per ISO 11654 clause 4.3. It is strongly recommended to use this single-number rating together with the complete absorption curve. · El informe 2011/1496-B de Istituto Giordano es una hoja de resultados y no describe la disposicion de la probeta. Consta una probeta unica de 3,502 x 3,007 m = 10,53 m2. La condicion de borde NO CONSTA en el informe, y por eso no se afirma ninguna.

100 0.050
125 0.050
160 0.090
200 0.150
250 0.260
315 0.450
400 0.730
500 0.910
630 1.010
800 0.740
1000 0.610
1250 0.670
1600 0.730
2000 0.770
2500 0.690
3150 0.620
4000 0.550
5000 0.520
