Chevron Phillips EA6540 Rubber Modified Polystyrene

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Chevron Phillips EA6540 Rubber Modified Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Description Chevron EA6540 is a general purpose high impact polystyrene material developed for packaging and disposable applications. Its higher melt flow facilitates its use for extrusion and thermoforming. Chevron EA6540 natural complies with Food Additive Regulation 21CFR177.1640 for polystyrene and rubber modified polystyrene, which states that such materials may be safely used in contact with foods. Applications Chevron EA6540 is recommended for such applications as general food packaging, cups and lids for hot and cold drinks, and picnicware (bowls and plates).Information provided by Chevron Phillips Chemical Company. The Chevron Phillips polystyrene product line was transferred to Americas Styrenics in 2008.
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Physical Properties	Original Value	Comments

Density	1.03 g/cc	ASTM D792
Melt Flow	3.2 g/10 min	Condition G; ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	95	ASTM D785
Tensile Strength at Break	2800 psi	at 2.0 in/min; ASTM D638
Tensile Strength, Yield	3200 psi	at 2.0 in/min; ASTM D638
Elongation at Break	65 %	ASTM D638
Tensile Modulus	290000 psi	at 0.05 in/min; ASTM D638
Izod Impact, Notched	1.70 ft-lb/in	1/4 in. at 73°F; ASTM D256
	1.90 ft-lb/in	1/4 in. at 73°F; ASTM D256
	0.800 ft-lb/in @Temperature -17.8 °C	0.125 in (3.2 mm) sample; ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	187 °F	Unannealed specimen; ASTM D648
Vicat Softening Point	215 °F	ASTM D1525

Compliance Properties	Original Value	Comments
FDA	Yes

**
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PPSRA07 / 58237

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