SK Chemicals SKYTHANE® 180A R series Polyurethane

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SK Chemicals SKYTHANE® 180A R series Polyurethane (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP
Material Notes:	SKYTHANE is a thermoplastic polyurethane elastomer (TPU). Like materials ranging from rubber to plastics, it has excellent physical properties such as anti-abrasion, oil-resistance and mechanical property. It is widely used for automotive parts and various industrial parts. Information provided by SK Chemicals
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Physical Properties	Metric	English	Comments

Specific Gravity	1.09 g/cc	1.09 g/cc	ASTM D792
Linear Mold Shrinkage	0.0040 cm/cm	0.0040 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80	ASTM D2240
Hardness, Shore D	33	33	ASTM D2240
Tensile Strength, Ultimate	29.4 MPa	4270 psi	ASTM D412
Tensile Stress at Strain	4.90 MPa @Strain 100 %	711 psi @Strain 100 %	ASTM D412
	9.32 MPa @Strain 300 %	1350 psi @Strain 300 %	ASTM D412
Elongation at Break	840 %	840 %	ASTM D412
Resilience	52	52	by vertical rebound; ASTM D2632
Tear Strength	88.3 kN/m	504 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	10	10	H18 Wheel; 1000g load; ASTM D1044

Thermal Properties	Metric	English	Comments
Vicat Softening Point	82.0 °C	180 °F	ASTM D1525

**
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PSK090 / 67822

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