pinta acoustic SPORTSLINE I galvanized steel sheet with PLANO A2

SPORTSLINE I

PTB reference data

Original description

Material properties

Manufacturer: pinta acoustic gmbh

Thickness: 20 mm

Wall distance: 100 mm, 200 mm, 300 mm, 500 mm

Mounting: wall-to-wall mounting

ISO 354 – reverberation chamber· 4 variants

α_w

0.70

α_p per ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.30	0.50	0.60	0.70	0.75	0.75

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Weight / density: 5,9 - 8,3 kg/m²

Dimensions: variabel

Measured values as a table (4 measurements)

pinta acoustic SPORTSLINE I galvanized steel sheet with PLANO A2: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	α_w	125 Hz	250 Hz	500 Hz	1000 Hz	2000 Hz	4000 Hz
20 mm · 5,9 - 8,3 kg/m² · 100 mm	0.65	0.15	0.35	0.65	0.65	0.70	0.70
20 mm · 5,9 - 8,3 kg/m² · 200 mm	0.65	0.20	0.50	0.60	0.65	0.75	0.65
20 mm · 5,9 - 8,3 kg/m² · 300 mm	0.70	0.30	0.50	0.60	0.70	0.75	0.75
20 mm · 5,9 - 8,3 kg/m² · 500 mm	0.70	0.40	0.55	0.60	0.75	0.80	0.80

Measured values as a table (4 measurements)

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Last updated: 02/09/2026