SK Chemicals SKYTHANE® T850A Polyester Based, Low Hardness Thermoplastic Polyurethane Elastomer

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SK Chemicals SKYTHANE® T850A Polyester Based, Low Hardness Thermoplastic Polyurethane Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester, TP; 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	1.12 g/cc	1.12 g/cc	ASTM D792
Linear Mold Shrinkage	0.0070 cm/cm	0.0070 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	56	56	ASTM D2240
Hardness, Shore D	12	12	ASTM D2240
Tensile Strength, Ultimate	11.8 MPa	1710 psi	ASTM D412
Elongation at Break	770 %	770 %	ASTM D412
100% Modulus	1.52 MPa @Strain 100 %	220 psi @Strain 100 %	ASTM D412
300% Modulus	4.07 MPa @Strain 300 %	590 psi @Strain 300 %	ASTM D412
Resilience	60	60	Vertical Rebound; ASTM D2632
Tear Strength	49.0 kN/m	280 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	20	20	H18 wheel, 1000g load; ASTM D1044

Thermal Properties	Metric	English	Comments
Vicat Softening Point	62.0 °C	144 °F	ASTM D1525

Processing Properties	Metric	English	Comments
Processing Temperature	155 °C	311 °F	Transition Temperature
	155 °C	311 °F	Metering Temperature
Middle Barrel Temperature	150 °C	302 °F
Nozzle Temperature	160 °C	320 °F
Mold Temperature	20.0 - 40.0 °C	68.0 - 104 °F

**
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