Supreme Petrochem SP 253 Toughened Polystyrene

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Supreme Petrochem SP 253 Toughened Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Characteristics High rigidity Improved toughness Good clarity Processing Injection molding Applications Ball pens Small appliances housings Small impellers Material Status: Commercial : Active Agency Ratings: FDA 21 CFR 177.1640 Information provided by Supreme Petrochem LTD
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Physical Properties	Metric	English	Comments

Specific Gravity	1.03 g/cc	1.03 g/cc	ASTM D792
Melt Flow	6.0 g/10 min @Load 5.00 kg, Temperature 200 °C	6.0 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	42.2 MPa	6120 psi	50 mm/min; ASTM D638
Elongation at Break	5.0 %	5.0 %	50 mm/min; ASTM D638
Flexural Strength	58.8 MPa @Thickness 3.20 mm	8530 psi @Thickness 0.126 in	ASTM D790
Flexural Modulus	2.16 GPa @Thickness 3.20 mm	313 ksi @Thickness 0.126 in	ASTM D790
Izod Impact, Notched	0.150 J/cm @Thickness 3.20 mm	0.281 ft-lb/in @Thickness 0.126 in	ASTM D256
Izod Impact, Unnotched	2.00 J/cm @Thickness 3.20 mm	3.75 ft-lb/in @Thickness 0.126 in	ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	81.0 °C	178 °F	ASTM D648
Vicat Softening Point	103 °C	217 °F	1kg load; 120°C/h; ASTM D1525
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in

Optical Properties	Metric	English	Comments
Haze	2.5 % @Thickness 1.00 mm	2.5 % @Thickness 0.0394 in
Transmission, Visible	88 % @Thickness 1.00 mm	88 % @Thickness 0.0394 in

Processing Properties	Metric	English	Comments
Melt Temperature	<= 220 °C	<= 428 °F
Mold Temperature	40.0 - 50.0 °C	104 - 122 °F

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	See notes for details.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PSUP27 / 69459

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