SK Chemicals SKYPEL P155DF Thermoplastic Polyester Elastomer

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SK Chemicals SKYPEL P155DF Thermoplastic Polyester Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes:	SKYPEL P155DF is a thermoplastic polyester elastomer resin superior heat resistance. SKYPEL P155DF with a medium 55D hardness based on shore D scale is widely used for injection molding and extrusion applications. And SKYPEL P155DF is also available to over mold TPU, PC, ABS, PC/ABS alloys. Tensile property tests on ASTM Type IV dumbbells diecut from injection molded slab 2mm thick. Crosshead speed 50 mm/min. Information provided by SK Chemicals
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Physical Properties	Metric	English	Comments

Specific Gravity	1.21 g/cc	1.21 g/cc	ASTM D792
Water Absorption	0.90 % @Time 86400 sec	0.90 % @Time 24.0 hour	ASTM D570
Linear Mold Shrinkage	0.017 cm/cm	0.017 in/in	ASTM D955
Melt Flow	22 g/10 min @Load 2.16 kg, Temperature 230 °C	22 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	55	55	ASTM D2240
Tensile Strength at Break	29.4 MPa	4260 psi	ASTM D638
Tensile Stress at Strain	8.83 MPa @Strain 5.0 %	1280 psi @Strain 5.0 %	ASTM D638
	13.7 MPa @Strain 10 %	1990 psi @Strain 10 %	ASTM D638
Elongation at Break	>= 400 %	>= 400 %	ASTM D638
Flexural Modulus	0.196 GPa	28.4 ksi	Crosshead speed 1.3mm/min; ASTM D790
Resilience	54	54	Vertical rebound.; ASTM D2632
Izod Impact, Notched (ISO)	NB @Thickness 6.35 mm	NB @Thickness 0.250 in	ASTM D256
Tear Strength	130 kN/m @Thickness 2.00 mm	742 pli @Thickness 0.0787 in	Crosshead speed 51mm/min.; ASTM D1004

Thermal Properties	Metric	English	Comments
Melting Point	217 °C	423 °F	DSC Peak; 10°C/min.; ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	125 °C	257 °F	ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	215 °C	419 °F	Extrusion
	225 °C	437 °F	Injection
Middle Barrel Temperature	225 °C	437 °F	Extrusion
	235 °C	455 °F	Injection
Front Barrel Temperature	230 °C	446 °F	Extrusion
	235 °C	455 °F	Injection
Nozzle Temperature	240 °C	464 °F	Injection
Die Temperature	230 °C	446 °F	Extrusion
Melt Temperature	235 °C	455 °F	Extrusion
Mold Temperature	40.0 °C	104 °F	Injection

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PSK9926 / 291442

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