DOUBLEDAMP ™ 1500 Expandable Damping Sheet 1500

DOUBLEDAMP ™ 1500 Expandable Damping Sheet

A high-efficiency, expandable damping material for use with stamped steel constraining layers.

Datasheet

A non-blocking, die-cut sheet which can be heat staked to the stamped steel constraining layer
Can also be mechanically or adhesively fastened
Ensures complete fill between the constraining layer and the body steel
Highest damping efficiency, especially at higher temperatures
Assembly provides high degree of local stiffness
Provides superior corrosion resistance to substrates
Lighter weight, higher performance replacement for expandable asphalt

APPEARANCE					Black, non-tacky sheet
SPECIFIC GRAVITY					1.4 (before expansion)
WEIGHT/AREA		Thickness			kg/m²			lb/ft²
1.0 mm (0.040 in)			1.4				0.29
1.5 mm (0.060 in)			2.1				0.43
EXPANSION Bake 20’ @ 163°C After Bake			Volumetric				Vertical Rise
125 - 200%					250 - 350%
ADHESION PROPERTIES Tested on oily galvanized & cold-rolled steel. Panels cured 20’ @ 163°C + 30' @ 121°C. a	Initial			Salt Spray 250 Hrs		Heat Aging, 250 250 Hrs @ 175°C			Humidity 250 Hrs @ 38°C &100% RH
100% Cohesive		100% Cohesive No undercutting corrosion			100% Cohesive			100% Cohesive No undercutting corrosion
DAMPING PROPERTIES					Oberst testing for composite loss factor,  c, was conducted per SAE J1637 0.8 mm base beam, 0.5 mm top

Lightweight, high-function vibration-damping material based on original expertise in adhesives and soundproofing evaluation and design.

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