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TEST REPORT N° AC14-26051052/3

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Test 14 Date 09/07/14

SOUND ABSORPTION COEFFICIENT as OF SUSPENDED CEILING PANELS

AA45 Station ALPHA

REQUESTER, MANUFACTURER SAINT GOBAIN ECOPHON

NAME Focus Dg 25 mm

FITNESS FOR PURPOSE Unchecked

STANDARDS EN ISO 354, EN ISO 11654, prEN 16487

CONFIGURATION 200 mm overall depth of construction

MAIN CHARACTERISTICS

Dimensions in mm : 2915 x 3500 Area in m2 : 10.2 Thickness in mm : 25 Mass per unit area in kg/m 2: 2.7 Mounting type : E-200

RESULTS

1,2

1,0 - _ ... _ -' -

, "'-0,8

I~-0,6 ' ,

1 v ' , , ,

, ,

0,4 ' ,

V

, "'I" __ , __ ' ___ _ ' __ ' __ I I

MEASUREMENT CONDITIONS

Empty room: Temperature: 21.0oC Relative humidity: 64%

f 100 125 100 200

... ' 200 315 400

, , 500 --------

6:D 00)

1000 1200

,

Room with sample: Temperature: 22.0oC Relative humidity: 60%

as 0,30 0,54 0,67 0,83 0,79 0,82 0,79 0,83 0,84 0,81 0,88 0,96 - - T - 1 - - - - - - - - -,- - ,- - - T - T - - -, - -, - - - -

1ffXl 0,97 0,2 2m) 0,98

0,0 125 250 4k 500 1k 2k

fen/in Hz

2000 1,01 3100 1,00 4(XX) 0,99 5CXX) 1,01 ~

f1.w = 0,90 classement / class: A

It is strongly recommended to use this single number rating in combination with the complete sound absorption coefficient curve.

Tramecofrac.dot, rev 11 du 12/02/14 R14-26051052-3.doc