SK Chemicals SKYTHANE® 385A S series Polyurethane

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SK Chemicals SKYTHANE® 385A S 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	Original Value	Comments

Specific Gravity	1.19 g/cc	ASTM D792
Linear Mold Shrinkage	0.0045 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85	ASTM D2240
Hardness, Shore D	35	ASTM D2240
Tensile Strength, Ultimate	350 kg(f)/cm²	ASTM D412
Tensile Stress at Strain	40.0 kg(f)/cm² @Strain 100 %	ASTM D412
	85.0 kg(f)/cm² @Strain 300 %	ASTM D412
Elongation at Break	910 %	ASTM D412
Resilience	30	by vertical rebound; ASTM D2632
Tear Strength	95.0 kg(f)/cm	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	13	H18 Wheel; 1000g load; ASTM D1044

Thermal Properties	Original Value	Comments
Vicat Softening Point	62.0 °C	ASTM D1525

**
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PSK078 / 67810

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