Poliprent T polyester mat

Poliprent T

PTB reference data

Original description

Material properties

Manufacturer: Soldini-Sudacciai SA

Thickness: 0.8 in

Reverberation chamber (ASTM C423 / ISO 354)

NRC

0.75

derived from ISO 354 lab data

α_p nach ISO 11654

f (Hz)	250	500	1k	2k	4k
α_p	0.40	0.65	1.00	0.95	0.95

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Value from the PTB table, not verified

NRC: 0.75 (derived from ISO 354 lab data)

Measured values as a table (1 measurement)

Poliprent T polyester mat: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	NRC	250 Hz	500 Hz	1000 Hz	2000 Hz	4000 Hz
20 mm · 100 kg/m^3	0.75	0.40	0.63	0.98	0.93	0.97

Measured values as a table (1 measurement)

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Last updated: 09/07/2026