SK Chemicals SKYTHANE® CR180A Calendaring Series, Polyether Based Thermoplastic Polyurethane Elastomer

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SK Chemicals SKYTHANE® CR180A Calendaring Series, Polyether Based Thermoplastic Polyurethane Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Ether 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	Original Value	Comments

Specific Gravity	1.10 g/cc	ASTM D792
Linear Mold Shrinkage	0.0040 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Shore A	82	ASTM D2240
Hardness, Shore D	34	ASTM D2240
Tensile Strength, Ultimate	300 kg(f)/cm²	ASTM D412
Elongation at Break	600 %	ASTM D412
100% Modulus	0.735 ksi @Strain 100 %	ASTM D412
300% Modulus	1.47 ksi @Strain 300 %	ASTM D412
Resilience	40	Vertical Rebound; ASTM D2632
Tear Strength	90.0 kg(f)/cm	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	10	H18 wheel, 1000g load; ASTM D1044

Thermal Properties	Original Value	Comments
Vicat Softening Point	70.0 °C	ASTM D1525

Processing Properties	Original Value	Comments
Processing Temperature	130 °C	Warming Roll
	140 °C	Mixing Roll
	155 °C	Invert L Roll
	160 °C	Strainer (extruder)
	185 °C	Transition Temperature
	185 °C	Metering Temperature
Middle Barrel Temperature	180 °C
Nozzle Temperature	190 °C
Zone 1	338 °F
Zone 2	347 °F
Zone 3	356 °F
Zone 4	365 °F
Adapter Temperature	185 °C
Die Temperature	365 °F	Tip
	374 °F	Body
Mold Temperature	20.0 - 40.0 °C

**
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