SK Chemicals SKYPEL G140DW Engineering Thermoplastic Polyester Elastomer

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SK Chemicals SKYPEL G140DW Engineering Thermoplastic Polyester Elastomer
Categories:	Polymer; Thermoplastic; Polyester, TP
Material Notes:	SKYPEL G is a standard grade thermoplastic elastomer with excellent heat resistance and mechanical strength. 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	Original Value	Comments

Specific Gravity	1.16 g/cc	ASTM D792
Water Absorption	0.60 %	ASTM D570
Linear Mold Shrinkage	0.0080 cm/cm	ASTM D955
Melt Flow	11 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	40	ASTM D2240
Tensile Strength at Break	26.5 MPa	ASTM D638
Tensile Stress at Strain	24.0 kg(f)/cm² @Strain 5.0 %	ASTM D638
	44.0 kg(f)/cm² @Strain 10 %	ASTM D638
Elongation at Break	680 %	ASTM D638
Flexural Strength	66.7 MPa	ASTM D790
Resilience	57	Vertical rebound; ASTM D2632
Izod Impact, Notched	NB @Thickness 6.35 mm	ASTM D256
Tear Strength	115 kN/m @Thickness 2.00 mm	Crosshead speed 51mm/min; ASTM D1004

Electrical Properties	Original Value	Comments
Volume Resistivity	3.00e+13 ohm-cm	ASTM D257
Surface Resistance	2.00e+14 ohm	ASTM D257
Dissipation Factor	0.054 @Frequency 1e+8 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Melting Point	153 °C	DSC Peak; 10°C/min.; ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	70.0 °C	ASTM D648

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PSK9916 / 291432

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