NVH Noise, Vibration, Harshness, Dampening
Sheet
| For
medium/low pressure hydraulic oil, air,
water transportation |
| Product
Description |
 |
Noise
insulation Sheet better known
as Sound deadner or floor silencer
is a composite Material based
on asphalt fillers and small Quantity
of polymer as binder used in the
Automotive interior floor for
controlling Noise Vibration and
Harshness |
| |
|
| Application |
|
Used
on the cab floor, tunnel, door,
pannel |
|
Lower
deskboard, vertical surface or
over |
|
Hanging
parts of vehicle like passenger
car |
|
Commercials
& utility vehicle and tractor |
| |
|
| Form
of Supply |
|
Size
as per dimensional requirement |
| |
|
Typical
Physical Properties
| Color |
:
Black |
| Thickness |
:
1.5-3.0 mm |
| Sp.
Gr. |
:
1.4-1.8 |
| Evaporation
loss 30 (minutes)/150°
C |
:
1% Max. |
| Heat
Flow |
:
No break due to Sagging |
| Adhesion
Strength |
:
5.0 Kg/cm2 (mm) |
| Sound
Atenuation |
:
8-17 db/sec. |
| Smoke
temp. |
:
Above 150° C |
| Thermal
fusion weldability |
:
50% and above |
| Bondability
- 20° C / 5° C |
:
No crack |
| Dropping |
:
No Sag crack |
| Cold
impact resistance - 20°
C / 5° C |
:
No crack or peeling |
| Coefficient
of damping |
:
0.08 and above |
| Over
heating - 90° angle |
:
No mark, peeling, falling |
| Tensile
shear strength |
:
0.2-0/Kg cm2 (min) |
| Impact
resistance - 20° C /
5° C |
:
35 or more |
| Corrosion
resistance |
:
No corrosion |
| Shrinkage |
:
< 2% |
|
|
|
|
|
