SMAC SMACTANE® SP Damping Material

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SMAC SMACTANE® SP Damping Material
Categories:	Other Engineering Material
Material Notes:	A viscoelastic rubber material developed by SMAC for space applications and maximizes the damping properties in a wide range of temperatures & frequencies Damping properties: Damping properties are determined by visco-analysis The damping criteria is given by the loss angle tangent (also called Tangent or loss factor). It is a function of frequency and temperature Information provided by SMAC MontBlac Groupe Technologies
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Physical Properties	Metric	English	Comments

Outgassing - Total Mass Loss	0.0079 %	0.0079 %	RML
	0.0088 %	0.0088 %	TML
Collected Volatile Condensable Material	0.00020 %	0.00020 %

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	42 - 52	42 - 52	NFT 46-052
Tensile Strength	10.9 MPa	1580 psi	NF T 46-002
Elongation at Break	800 %	800 %	NF T 46-002
	840 %	840 %	Shear; NF T 46-023
100% Modulus	0.710 MPa @Strain 100 %	103 psi @Strain 100 %	NF T 46-002
Shear Modulus	0.000410 GPa @Strain 100 %	0.0595 ksi @Strain 100 %	NF T 46-023
Shear Strength	6.60 MPa	957 psi	NF T 46-023

Descriptive Properties
Delta Tangent (G"/G')	0.2		0 Hz @ 20°C
	0.65		1.00E+06 Hz @ 20°C
	0.7		100 Hz @ 20°C
	1.1		4000 Hz @ 20°C

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PZSMAC039 / 146155

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