E-A-R Specialty Composites

Damping Composites

To provide maximum versatility, E-A-R damping composites combine high performance damping foams and sheets with acoustical foams, barriers and aluminum constraining layers. They control both airborne noise and structureborne vibration in one weight-efficient, convenient product.

ENLARGE IMAGE

Description	FOAM LAYER	SOLID LAYER
C-3002-25ALPSA	0.25-in Damping Foam	0.005-in Aluminum
E-2D50-10-0	0.5-in Damping Foam	1-psf Vinyl Barrier
C-2206PSA-50SF	0.5-in Polyester Urethane	0.030-in Vinyl Damping Material
NV-7520-100SM	1.0-in Urethane w/Alum. Polyester	0.075-in Urethane Damping Material

Typical Properties (English Table)

* click the links below to see catalog pages for the products *

Product
(Complete Product Catalog)

Weight Nominal (psf)

0.28

1.2

0.46

0.97

Flammability
UL 94, solid layer

Meets
V-0

Listed
V-0

Listed
HB

Meets
V-0

UL 94, foam layer

Listed
HBF

Meets
HBF

Meets
HF-1

Listed
HBF

FMVSS-302

Meets

FAR 25.853(a) Appendix F
Part I (a) (1) (ii) (12 sec)

Meets

—

Tensile Strength (psi)
Solid layer, ASTM D638

11893

540

1397

934

Tear Strength (lbf/in)
Solid layer, ASTM D1004

1504

100

332

241

Elongation (%)
Solid layer, ASTM D638

10.5

160

Temperature Range (F)
Peak Performance

41 to 131

0 to 131

0 to 160

14 to 140

Recommended Max. Intermittent

160

225

257

RoHS Compliant

Yes

The data listed in this materials summary are typical or average values based on tests conducted by independent laboratories or by the manufacturer. They are indicative only of the results obtained in such tests and should not be considered as guaranteed maximums or minimums. Materials must be tested under actual service to determine their suitability for a particular purpose.