Specialty Tapes - Sound Damping Foils

Product/Color	Tape Structure (Backing/Adhesive)	Backing Thickness mils (mm)	Total thickness mils (mm)	Adhesion to Steel oz./in. (N/100mm)	Tensile Strength lbs./in. (N/100mm)	Elongation at Break %	Temperature Range °F(°C)	Comments
ASTM Test Method:		D-3652	D-3652	D-3330	D-3759	D-3759
Damping Foils
434/Silver	Aluminum/VEP1	5.5 (0.14)	7.5 (0.19)	65 (72)	53 (928)	12	-76 to 68°F (-60 to 20°C )2	Low temperature vibration damping.3
435/Silver	Aluminum/VEP1	8.0 (0.20)	13.5 (0.34)	65 (72)	84 (1470)	12	-76 to 68°F (-60 to 20°C )2	Low temperature vibration damping.3
436/Silver	Aluminum/VEP1	12.0 (0.31)	17.5 (0.45)	65 (72)	126 (2205)	12	-76 to 68°F (-60 to 20°C )2	Low temperature vibration damping.3
2552/Silver	Aluminum/VEP1	10.0 (0.25)	15 (0.38)	65 (72)	80 (1400)	15	-25 to 175°F (-32 to 80°C )2	General purpose vibration damping.3
4014/Silver	Aluminum-Urethane/Acrylic	3.0 (0.076)	250 (6.35)	N/A	N/A	N/A	-94 to 86°F (-70 to 30°C )2	Foil/foam sheet laminate.3
1 Viscoelastic polymer 2 Optimum damping temperature 3 The specimen passed the requirements of FAR 25.853 (a)(1)(ii) per AMDT.25-83 tested in composite on aluminum backer.