SK Chemicals SKYTHANE® S198A Polyester Based Thermoplastic Polyurethane Elastomer

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SK Chemicals SKYTHANE® S198A Polyester Based Thermoplastic Polyurethane Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Polyester Grade
Material Notes:	Description: SK Chemicals has supplied Thermoplastic Polyurethane Elastomer (TPU) under the name of SKYTHANE. Applications include: Keyboard Covers Outsoles of Soccer Shoes Wire and Cable Airbags Sheets and Film Hoses and Tubing Shoe Components Fire Hoses Information provided by SK Chemicals.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.23 g/cc	1.23 g/cc	ASTM D792
Linear Mold Shrinkage	0.0045 cm/cm	0.0045 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	98	98	ASTM D2240
Hardness, Shore D	55	55	ASTM D2240
Tensile Strength, Ultimate	53.0 MPa	7680 psi	ASTM D412
Elongation at Break	510 %	510 %	ASTM D412
100% Modulus	18.6 MPa @Strain 100 %	2700 psi @Strain 100 %	ASTM D412
300% Modulus	34.5 MPa @Strain 300 %	5000 psi @Strain 300 %	ASTM D412
Resilience	38	38	Vertical Rebound; ASTM D2632
Tear Strength	177 kN/m	1010 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	50	50	H18 wheel, 1000g load; ASTM D1044

Thermal Properties	Metric	English	Comments
Vicat Softening Point	143 °C	289 °F	ASTM D1525

Processing Properties	Metric	English	Comments
Processing Temperature	200 °C	392 °F	Transition Temperature
	200 °C	392 °F	Metering Temperature
Middle Barrel Temperature	195 °C	383 °F
Nozzle Temperature	205 °C	401 °F
Zone 1	185 °C	365 °F
Zone 2	190 °C	374 °F
Zone 3	195 °C	383 °F
Zone 4	200 °C	392 °F
Adapter Temperature	200 °C	392 °F
Die Temperature	200 °C	392 °F	Tip
	205 °C	401 °F	Body
Mold Temperature	20.0 - 40.0 °C	68.0 - 104 °F

**
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PSK016 / 67751

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