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DYNAMAT 10465 DYNAMAT Xtreme MEGA PACK 9PCS X 8SQFT
DYNAMAT 10465  DYNAMAT Xtreme  MEGA PACK 9PCS X 8SQFT


 
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Description
 
DYNAMAT 10465 DYNAMAT Xtreme MEGA PACK 9PCS X 8SQFT

DESCRIPTION

Dynamat Xtreme is a patented, light-weight, elastomeric,
butyl and aluminum constrained-layer vibrational damper.
Dynamat Xtreme conforms and fuses easily to sheet metal
and other hard substrates. Material performance is
optimized for temperature ranges between -10¡ÆC to +60¡ÆC
(14¡ÆF to+140¡ÆF). Material can withstand temperature
extremes between -54¡ÆC to +149¡ÆC (-65¡ÆF to +300¡ÆF) and
is highly resistant to aging.

ACOUSTIC PROPERTIES


The acoustic loss factor ¡°n¡± is used as a measure of ability
to damp structure-borne sound. It states how much
vibrational energy (in steel sheets for instance) is
converted to heat rather than sound. For constructions
containing several layers of damping material, the
combined loss factor ¡°n comb¡± is used. The theoretical
maximum loss factor is 1 (no vibration). An undamped
1mm thick steel panel has a loss factor of roughly 0.001
at 200 Hz. Dynamat Xtreme applied to that panel would
increase the loss factor to 0.417 at +20¡ÆC (+68¡ÆF).
Multiple layers of Dynamat Xtreme can be used to
improve sound damping further.


APPLICATIONS


Dynamat Xtreme can be die cut to shape and placed onto
the body surface after sheet metal cleaning operation and
prior to paint system (typically at the sealer application
operation) or on painted panels. Dynamat Xtreme is used
as treatment for metal panels, partitions, ducts, doors, bins,
panels etc. in railroad cars, buses, automobiles and ships.
It is also used for ventilation ducts, relay cabinets, steel
furniture, home appliances, sink units, computer
equipment, machine tools and for many other purposes.


INSTALLATION


Dynamat Xtreme should be cut to the desired size before
the release liner is removed. It may be cut with scissors,
knife or die. Remove dust, grease, moisture, and other
foreign matter from the application surface. Peel off the
release liner. The simplest application technique is to bend
the mat slightly and attach it along its shortest edge. The
mat is then pressed firmly into place, preferably with a
roller for larger pieces. This reduces the risk of leaving air
pockets, which reduce the sound damping capacity. The
temperature of the mat and application surface should not
be below room temperature during fitting. Heating the material is not necessary.


  • Appearance: Black butyl based core with 4 mil aluminum constraining layer, craft paper release liner
  • Thickness: 0.067¡± (1.7mm)
  • Mass: 0.45lbs./ft.2 (2.20kg/m2)
  • Acoustic Loss Factor @ Temperature (Using ASTM method E756 at 200 Hz):
  • 0.081 at +14¡ÆF (-10¡ÆC)
  • 0.240 at +32¡ÆF (+0¡ÆC)
  • 0.257 at +50¡ÆF (+10¡ÆC)
  • 0.417 at +68¡ÆF (+20¡ÆC)
  • 0.259 at +86¡ÆF (+30¡ÆC)
  • 0.194 at +104¡ÆF (+40¡ÆC)
  • 0.140 at +122¡ÆF (+50¡ÆC)
  • 0.094 at +140¡ÆF (+60¡ÆC)
  • Temperature Range (Optimal Performance): 14¡ÆF to +140¡ÆF (-10¡ÆC to +60¡ÆC)
  • Temperature Range (Resistance): -65¡ÆF to +300¡ÆF (-54¡ÆC to +149¡ÆC)
  • Adhesive Peel Strength: 42.6 lb./in. (74.8 N/cm) on cold steel
  • Chemical Resistance: Resistant to water and mineral oils
  • Federal Standards Tests: FMVSS 302: Meets
  • Handling And Application: Material must be stored at room temperature for best application
  • Storage Information:
  • Number Of Sheets In Stack: 50 max
  • Material must be stored horizontally in its wrapping

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