Silicate-treated wood fiber, organic binder

panel

PTB reference data

Original description

Material properties

Manufacturer: Tectum

Thickness: 1 inch, 1 1/2 inch, 2 inch

Wall distance: 0 mm, 20 mm, 40 mm

Mounting: nailed to 20 mm wood furring strips; covered with perforated facing

ISO 354 – reverberation chamber· 12 variants

αw

0.89

αp per ISO 11654

f (Hz)	125	250	500	1k	2k	4k
αp	0.40	0.90	1.20	0.85	1.10	0.95

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			Value
2 inch	3.3 lb/ft²	covered with perforated facing, airspace 40 mm	αw0.89
1 1/2 inch	2.5 lb/ft²	covered with perforated facing, airspace 40 mm	αw0.85
2 inch	3.3 lb/ft²	covered with perforated facing, airspace 20 mm	αw0.82
1 inch	1.6 lb/ft²	covered with perforated facing, airspace 40 mm	αw0.79
1 1/2 inch	2.5 lb/ft²	covered with perforated facing, airspace 20 mm	αw0.78
1 inch	1.6 lb/ft²	covered with perforated facing, airspace 20 mm	αw0.74
2 inch	3.3 lb/ft²	nailed to 20 mm wood furring strips	αw0.63
2 inch	3.3 lb/ft²	0	αw0.59
1 1/2 inch	2.5 lb/ft²	nailed to 20 mm wood furring strips	αw0.58
1 1/2 inch	2.5 lb/ft²	0	αw0.53
1 inch	1.6 lb/ft²	nailed to 20 mm wood furring strips	αw0.46
1 inch	1.6 lb/ft²	0	αw0.39

Dimensions: 24 x 96, 24 x 48 inches