Damping

As an efficient and effective way to control vibration and noise radiation at the source, damping materials lessen this noise by turning the vibration into a low-grade heat. We typically use viscoelastic materials that use mass to change the resonant frequency of a substrate, and our vibration damping materials can be combined with sound absorbers to create composites that control both airborne and structure borne noise.

 

 

 

 

 

  • Our damping materials are customized to your specific requirements.
  • Can be combined with absorbers and barriers to create custom composites.
  • Available with pressure sensitive adhesive.

 

Technical Specifications

00 – Unfaced                                                        001 – Polyester Foam

UB – 2-mil Black Urethane                                    021 – Polyether Foam

Typical Properties
Product DM-200 DM-400 DMF-221-40-UB-97
Composite Thickness (in) 0.05 0.13 1.06
Absorber Layer Thickness (in) N/A N/A 1.00
Damping Layer Thickness (in) 0.05 0.13 0.05
Absorber Foam Density Nominal (pcf) N/A N/A 1.80
Temperature Range (F) -40 to 250 -40 to 250 -40 to 250
RoHS Compliant Yes Yes Yes
       
Temperature Damping Loss Factor
-18 C  (0 F) 0.10 0.10 0.10
-9 C  (18 F) 0.18 0.18 0.18
0 C  (32 F) 0.29 0.29 0.29
9 C  (48 F) 0.34 0.34 0.34
18 C  (64 F) 0.37 0.37 0.37
27 C  (81 F) 0.33 0.33 0.33
36 C (97 F) 0.22 0.22 0.22
45 C (113 F) 0.18 0.18 0.18
54 C (129 F) 0.11 0.11 0.11

 


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