COMPARATIVE OF THE ACOUSTIC ABSORPTION OF THE ISINAC´S FINISHES

TECNALIA (An authorised Acoustic Laboratory) has tested the two new fabrics of ISINAC and the naked material, to create a new comparative table. The tests have been made with the sample of the square panel 610x610x40mm with adhesive.

COMPARATIVE OF THE ACOUSTIC ABSORPTION OF THE ISINAC´S FINISHED

It is necessary to indicate that in the CTE DB-HR-3.2.1 is said: “The coefficient aw, which is the absorption weighted coefficient from the UNE EN ISO 11653, it is a value that the majority of the manufacturers of products for the acoustic reconditioning, provide. It can be used this value in case that it wouldn´t be available the values of the medium absorption coefficient aw for the frequencies of 500, 1000 and 2000 Hz”

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