Supreme Petrochem SP 556 Flame Retardant Polystyrene

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Supreme Petrochem SP 556 Flame Retardant Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Flame Retardant
Material Notes:	Characteristics Good flow properties Good balance of toughness and rigidity Available in any color Processing Extrusion Molding Applications T.V. Cabinets, computer monitor, printer housing Electrical switch boards, MCB distribution boxes, electrical gang boxes Extruded sheets can be used for lining in mass transit system and for forming appliances bodies Material Status: Commercial : Active Agency Ratings: FDA 21 CFR 177.1640, UL file E185934 Information provided by Supreme Petrochem LTD
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Physical Properties	Metric	English	Comments

Specific Gravity	1.16 g/cc	1.16 g/cc	ASTM D792
Melt Flow	4.5 g/10 min @Load 5.00 kg, Temperature 200 °C	4.5 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	27.5 MPa	3990 psi	50 mm/min; ASTM D638
Elongation at Break	30 %	30 %	50 mm/min; ASTM D638
Flexural Strength	37.2 MPa @Thickness 3.20 mm	5400 psi @Thickness 0.126 in	ASTM D790
Flexural Modulus	1.77 GPa @Thickness 3.20 mm	256 ksi @Thickness 0.126 in	ASTM D790
Izod Impact, Notched	1.00 J/cm @Thickness 3.20 mm	1.87 ft-lb/in @Thickness 0.126 in	ASTM D256

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+16 ohm-cm	>= 1.00e+16 ohm-cm	IEC 93
Surface Resistance	>= 1.00e+14 ohm	>= 1.00e+14 ohm	IEC 93
Dielectric Constant	2.6 @Frequency 1e+6 Hz	2.6 @Frequency 1e+6 Hz	IEC 250
Dissipation Factor	0.00040 @Frequency 1e+6 Hz	0.00040 @Frequency 1e+6 Hz	IEC 250
Comparative Tracking Index	450 V	450 V	IEC 112

Thermal Properties	Metric	English	Comments
Hot Ball Pressure Test	82.0 °C	180 °F	IEC335-1
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	V-0 @Thickness 1.60 mm	V-0 @Thickness 0.0630 in
Glow Wire Test	960 °C	1760 °F	IEC 695-2-1

Processing Properties	Metric	English	Comments
Melt Temperature	<= 250 °C	<= 482 °F
Mold Temperature	40.0 - 60.0 °C	104 - 140 °F
Drying Temperature	60.0 - 80.0 °C	140 - 176 °F	( 2 hrs) Pre drying temp.

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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