PolyLabs U-34 Viscoelastic Slow Recovery Memory PU Foam

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PolyLabs U-34 Viscoelastic Slow Recovery Memory PU Foam
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	U-34 polyurethane exhibits extremely slow recovery time and is highly conforming. Memory foam exhibits slow recovery to original form when compressed or distorted. U-34 Viscoelastic PU Foam exhibits low ball rebound for enhanced cushioning. Ideally suited for medical padding, general seating, and wheelchair seating applications. Information provided by PolyLabs.
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Physical Properties	Metric	English	Comments

Density	0.120 g/cc	0.00434 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength	0.159 MPa	23.0 psi
Compressive Strength	0.00552 MPa @Strain 10 %	0.800 psi @Strain 10 %	Compression Force Deflection
	0.00689 MPa @Strain 20 %	1.00 psi @Strain 20 %	Compression Force Deflection
	0.00758 MPa @Strain 25 %	1.10 psi @Strain 25 %	Compression Force Deflection
	0.0138 MPa @Strain 50 %	2.00 psi @Strain 50 %	Compression Force Deflection
	0.0951 MPa @Strain 75 %	13.8 psi @Strain 75 %	Compression Force Deflection
Tear Strength	0.701 kN/m	4.00 pli	Die C
Compression Set	1.16 % @Temperature 25.0 °C	1.16 % @Temperature 77.0 °F	% of original thickness after 50% set
	1.89 % @Temperature 70.0 °C	1.89 % @Temperature 158 °F	% of original thickness after 50% set
	2.1 % @Temperature 25.0 °C	2.1 % @Temperature 77.0 °F	% of original deflection after 50% set
	2.56 % @Temperature 70.0 °C	2.56 % @Temperature 158 °F	% of original deflection after 50% set

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PPOLYLA968 / 265878

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