A. Schulman POLYTROPE™ TPP 518 Injection Grade Olefinic Thermoplastic Elastomer

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A. Schulman POLYTROPE™ TPP 518 Injection Grade Olefinic Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Olefinic TPE; Thermoplastic Olefinic Elastomer (TPO)
Material Notes:	Description Polytrope TPP 518 is an injection grade olefinic thermoplastic elastomer. This mineral filled product is recommended for applications requiring high stiffness and low thermal expansion in combination with good impact strength. Typical applications would include automotive claddings and rocker panels. TPP 518 is paintable and can be provided UV stable. Information provided by A. Schulman.
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Physical Properties	Metric	English	Comments

Specific Gravity	0.980 g/cc	0.980 g/cc	ASTM D792
Linear Mold Shrinkage	0.0080 - 0.010 cm/cm	0.0080 - 0.010 in/in	as molded
	0.012 cm/cm	0.012 in/in	± 0.1 after 30 min. at 120°C
Melt Index of Compound	10 g/10 min	10 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	63	63	ASTM D2240
Tensile Strength, Yield	19.0 MPa	2750 psi	ASTM D638
Elongation at Break	300 %	300 %	ASTM D638
Flexural Modulus	1.24 GPa	180 ksi	ASTM D790
Gardner Impact	32.0 J @Temperature -30.0 °C	23.6 ft-lb @Temperature -22.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	65.0 µm/m-°C @Temperature 20.0 °C	36.1 µin/in-°F @Temperature 68.0 °F	ASTM D696
Brittleness Temperature	-30.0 °C	-22.0 °F

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PASHU293 / 25257

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