Artikl: Sound B17

Produktový list 1.3.17

Stínící technika a dekorace oken.

Adrems s.r.o. Bubenečská 258/9, Praha 6., info@adrems.cz www.adrems.cz Pro návštevu ateliéru se prosím předem objednejte na +420 603 390 652.

Use: Transparent curtain fabric

Number of colours: 12

Material: 100% Flameretardant polyester (Trevira CS)

Fabric width: 300 cm/118 inch/3.28 yard

Weight: 105 g/m²

Flame-retardant properties:

Additional use:

Care:

Washing (length shrinkage): 0.5%

Dry cleaning (length shrinkage): 0.5%

Sound absorption: Alpha value 0.60

Light fastness: 5-6

Certificates / tests: Fire Test JapanSound absorption ISO 354 / ISO 11654

Price: 2 670,- Kč/m‘ bez dph3 231,- Kč/m‘ vč. dph

Produktový list 1.3.17Stínící technika a dekorace oken.

Adrems s.r.o. Bubenečská 258/9, Praha 6., info@adrems.cz www.adrems.cz Pro návštevu ateliéru se prosím předem objednejte na +420 603 390 652.

Sound absorption coefficient ISO 354

Test specimen: 100 % fabric addition

Mounting:Testing area width x height = 3.45 m x 2.95 mClear distance to the wall 150 mmFolded arrangement (100 % fabric addition)Arranged without enclosing frame

Material details:Fabric made of 100 % PLF Trevira CSThickness d = 0.3 mmArea specific mass approx. m'' = 104 g/m²Air flow resistance Rs = 231 Pa s/m

Frequency f / Hz125 250 500 1000 2000 4000

Soun

d ab

sorp

tion

coef

ficie

nt α

S

0.0

0.2

0.4

0.6

0.8

1.0

1.2

Shiftet curve of reference values according to ISO 11654Sound absorption coefficient

Frequency

[Hz]

αS1/3 octave

αpoctave

100 0.07125 0.10 0.10160 0.15200 0.25250 0.34 0.35315 0.49400 0.57500 0.61 0.60630 0.60800 0.62

1000 0.61 0.601250 0.621600 0.642000 0.66 0.652500 0.683150 0.714000 0.72 0.705000 0.73

Equivalent sound absorption area less than 1.0 m²αS Sound absorption coefficient according to ISO 354αp Practical sound absorption coefficient according to ISO 11654

θ [°C] r. h. [%] B [kPa]

without specimen 22.3 52.9 95.3

with specimen 22.4 52.3 95.3

Rating according to ISO 11654:Weighted sound absorption coefficient

αw = 0.60Sound absorption class: C

Rating according to ASTM C423:Noise Reduction Coefficient NRC = 0.55

Sound Absorption Average SAA = 0.56