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9 Items

Ultima - View Details
Mineral - Core Line

Item #	Dimensions (mm)	Edge Detail	Alpha w	Dnfw* (dB)	Recycled Content (%)
9954M	1500 x 300 x 19	SL2	0.70 (H)	40	33%
9955M	1800 x 300 x 19	SL2	0.70 (H)	40	33%
9956M	2500 x 300 x 19	SL2	0.70 (H)	40	33%
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1 Items

Optima - View Details
Mineral - Core Line

Item #	Dimensions (mm)	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2337M	1800 x 600 x 20	Board	24/35	0.95		82%

2 Items

Neeva / Nevada - View Details
Mineral - Core Line

Item #	Dimensions (mm)	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2407M	1800 x 600 x 18	Board	24/35	1.00	24	20%
2408M	1800 x 300 x 18	Board	24/35	1.00	24	20%

1 Items

Metal Bioguard - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
9305MAB	1500 x 300 x 33	Plain	Clip-In 5mm		0.10 (L)	44	30%

1 Items

Metal Premium - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
9312MP	1200 x 300 x 33	Perforated	Clip-In 5mm		0.60 (H)	41	30%

* Some products may have Dncw values published. These are valid although Dnfw, which is essentially the same as Dncw, has superseded it. For further information on the acoustic performance of Armstrong products please contact our Armstrong Technical Sales.