Chevron Phillips EA9400 Rubber Modified Polystyrene

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Chevron Phillips EA9400 Rubber Modified Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Description Chevron EA9400 is a high impact polystyrene recommended for extrusion and thermoforming packaging, custom sheet and contour extrusion. The highlight properties include a smooth glossy surface and excellent rigidity. Optimum processing characteristics and good tensile elongation facilitate the problem-free manufacture of thermoformed parts and contours. Chevron EA9400 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 EA9400 is recommended for applications such as drink cups, disposable dishware, portion containers, conical cup liners and food trays.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	2.8 g/10 min	2.8 g/10 min	Condition G; ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	104	104	ASTM D785
Tensile Strength at Break	21.4 MPa	3100 psi	at 2.0 in/min, Tested using a 50 mil. Sheet; ASTM D638
Tensile Strength, Yield	28.3 MPa	4100 psi	at 2.0 in/min, Tested using a 50 mil. sheet; ASTM D638
Elongation at Break	55 %	55 %	Tested using a 50 mil. Sheet; ASTM D638
Tensile Modulus	2.28 GPa	330 ksi	ASTM D638
Izod Impact, Notched	0.961 J/cm	1.80 ft-lb/in	1/4 in. at 73°F; ASTM D256
	1.07 J/cm	2.00 ft-lb/in	1/8 in.; ASTM D256
	0.481 J/cm @Temperature -17.8 °C	0.900 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)	83.9 °C	183 °F	Unannealed specimen; ASTM D648
Vicat Softening Point	102 °C	215 °F	ASTM D1525

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PPSRA10 / 58240

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