Chevron Phillips EA6025 Rubber Modified Polystyrene

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Chevron Phillips EA6025 Rubber Modified Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Description Chevron EA5025 is a high impact polystyrene resin developed for custom sheet extrusion. It offers excellent extrusion and thermoforming characteristics, practical toughness, and good surface gloss. Chevron EA6025 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 EA6025 is recommended for such applications as point of purchase displays, food service trays, shower surrounds and liners.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	4.0 g/10 min	4.0 g/10 min	Condition G; ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	96	96	ASTM D785
Tensile Strength at Break	17.9 MPa	2600 psi	at 2.0 in/min, Tested using a 50 mil. Sheet; ASTM D638
Tensile Strength, Yield	24.1 MPa	3500 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	1.97 GPa	285 ksi	ASTM D638
Izod Impact, Notched	1.07 J/cm	2.00 ft-lb/in	1/4 in. at 73°F; ASTM D256
	1.17 J/cm	2.20 ft-lb/in	1/8 in.; ASTM D256
	0.641 J/cm @Temperature -17.8 °C	1.20 ft-lb/in @Temperature 0.000 °F	0.125 in (3.2 mm) sample; ASTM D256

Thermal Properties	Metric	English	Comments
Vicat Softening Point	99.4 °C	211 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Gloss	25 %	25 %	60°, 0.020 in. extruded sheet; ASTM D523

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

**
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PPSRA05 / 58235

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