Arkema Appryl® 7280 Polypropylene - Polyethylene Copolymer

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Arkema Appryl® 7280 Polypropylene - Polyethylene Copolymer (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Polypropylene (PP); Polypropylene Copolymer
Material Notes:	PP/PE copolymer colored directly or during the injection molding process. This grade with a very good impact test at low temperature, has been developed for bumpers applications for the automotive industry. It is UV stabilized. ISO data provided by the manufacturer, Arkema.
Key Words:	PP
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Physical Properties	Original Value	Comments

Density	0.902 g/cc
Melt Flow	9.0 g/10 min @Load 2.16 kg, Temperature 230 °C

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	17.5 MPa	50 mm/min
Elongation at Break	>= 50 %	Nominal Strain; 50 mm/min
Elongation at Yield	6.0 %	50 mm/min
Tensile Modulus	0.905 GPa	1 mm/min
Charpy Impact Unnotched	NB
Charpy Impact, Notched	5.80 J/cm²	Partial Break
	0.640 J/cm² @Temperature -30.0 °C

Thermal Properties	Original Value	Comments
Melting Point	163 °C	10°C/min
Deflection Temperature at 0.46 MPa (66 psi)	80.0 °C
Deflection Temperature at 1.8 MPa (264 psi)	43.0 °C
Vicat Softening Point	50.0 °C	50°C/hr; 50N

**
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