Chevron Phillips EA3710 High Flow Crystal Polystyrene

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Chevron Phillips EA3710 High Flow Crystal Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS)
Material Notes:	Description Chevron EA3710 is a free flowing, crystal polystyrene resin developed for coextrusion cap layers and to blend with styrene-butadiene block copolymers for sheet extrusion/vacuum thermoforming. EA3710 complies with Food Additive Regulation 21CFR177.1640 for polystyrene, which states that such materials may be safely used in contact with foods. Applications A blend of EA3710 with styrene-butadiene block copolymers produces a part with practical toughness, flexibility and clarity.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	1.04 g/cc	ASTM D792
Melt Flow	18 g/10 min	Condition G; ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	6100 psi	ASTM D638
Tensile Strength, Yield	6100 psi	ASTM D638
Elongation at Break	3.0 %	ASTM D638
Tensile Modulus	450000 psi	ASTM D638
Flexural Strength	8000 psi	ASTM D790B
Flexural Modulus	450000 psi	ASTM D790B
Izod Impact, Notched	0.250 ft-lb/in	1/4 in.; ASTM D256
	0.300 ft-lb/in	1/8 in.; ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	173 °F	ASTM D648
Vicat Softening Point	202 °F	ASTM D1525

Compliance Properties	Original Value	Comments
FDA	Yes

**
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PPSRA04 / 58234

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