Chevron Phillips EB6540 Rubber Modified Polystyrene

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Chevron Phillips EB6540 Rubber Modified Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Description Chevron EB6540 is a general purpose, high impact polystyrene material developed for packaging and disposable applications. Its higher melt flow and additive package facilitates its use for extrusion and thermoforming. Chevron EB6540 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 EB6540 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	Metric	English	Comments

Density	1.03 g/cc	0.0372 lb/in³	ASTM D792
Melt Flow	3.2 g/10 min	3.2 g/10 min	Condition G; ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	95	95	ASTM D785
Tensile Strength at Break	19.3 MPa	2800 psi	at 2.0 in/min, Tested using a 50 mil. Sheet; ASTM D638
Tensile Strength, Yield	22.1 MPa	3200 psi	at 2.0 in/min, Tested using a 50 mil. sheet; ASTM D638
Elongation at Break	65 %	65 %	Tested using a 50 mil. Sheet; ASTM D638
Tensile Modulus	2.00 GPa	290 ksi	at 0.05 in/min, Tested using a 50 mil. Sheet; ASTM D638
Izod Impact, Notched	0.908 J/cm	1.70 ft-lb/in	1/4 in. at 73°F; ASTM D256
	1.01 J/cm	1.90 ft-lb/in	1/4 in. at 73°F; ASTM D256
	0.427 J/cm @Temperature -17.8 °C	0.800 ft-lb/in @Temperature 0.000 °F	0.125 in (3.2 mm) sample; ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	86.1 °C	187 °F	Unannealed specimen; ASTM D648
Vicat Softening Point	102 °C	215 °F	ASTM D1525

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

**
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PPSRA14 / 58244

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