Americas Styrenics STYRON™ 487 High-Impact Polystyrene Resin

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Americas Styrenics STYRON™ 487 High-Impact Polystyrene Resin
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	STYRON™ 487 is a high-impact polystyrene with an excellent balance of flow, toughness, stiffness and heat resistance. It has excellent deep draw characteristics and is appropriate for extrusion applications where stiffness and toughness combined with high contact clarity and trim-ability are important. STYRON™ 487 can also be used in injection molding situations. Main Characteristics Heat resistance Toughness Stiffness Complies with U.S. FDA 21 CFR 177.1640 Applications Packaging/Disposables Appliances Housewares Extrusion Thermoforming Injection Molding Information provided by Dow Americas Styrenics was formed in 2008 as a joint venture between Dow Chemical and Chevron Phillips Chemical Company. Styron was a Dow trade name before the JV formation.
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Physical Properties	Original Value	Comments

Specific Gravity	1.04 g/cc	ASTM D792
Linear Mold Shrinkage	0.0030 - 0.0070 cm/cm	ASTM D955
Melt Flow	3.2 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	97	ASTM D785
Tensile Strength, Ultimate	3700 psi	0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Tensile Strength, Yield	3750 psi	0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Elongation at Break	70 %	0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Tensile Modulus	284000 psi	0.5 x 0.125 in. specimen; 0.2 in/min; ASTM D638
Flexural Strength	6800 psi	0.05 in/min; 3-point; ASTM D790
Flexural Modulus	331000 psi	0.05 in/min; 3-point; ASTM D790
Izod Impact, Notched	1.60 ft-lb/in @Thickness 3.17 mm, Temperature -18.0 °C	0.5 x 0.125 in.; ASTM D256
	3.30 ft-lb/in @Thickness 3.17 mm, Temperature 23.0 °C	0.5 x 0.125 in.; ASTM D256
Gardner Impact	250 in-lb @Temperature 23.0 °C	ASTM D3029

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	192 °F	unannealed; injection molded; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	168 °F	unannealed; injection molded; ASTM D648
Vicat Softening Point	221 °F	120°C/hr, 1 kg; ASTM D1525-B
Flammability, UL94	HB @Thickness 1.52 mm

Compliance Properties	Original Value	Comments
FDA	Yes	See notes for details.

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