Versalis Edistir N 1782 Polystyrene

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Versalis Edistir N 1782 Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Molded, Unreinforced
Material Notes:	General purpose polystyrene with good flow and high heat resistance. Suggested for direct gassing extrusion of heavy gage insulating boards (XPS) and in blend with high concentration of clear SBS for improving clarity and stiffness of the sheets. Designation: Thermoplastics ISO 1622-PS,E,105-06 Applications: Designed for insulation panels (XPS), clear sheets and thermoformed clear packaging. N 1782 is certified UL94 HB "all colors" at 1.5 mm (UL file E83071).This grade in its natural version complies by composition with the requirements set by the main Regulations for plastic materials intended for food contact (including the EEC Directive 90/128 and subsequent amendments). Information provided by Polimeri Europa Versalis is the Eni subsidiary containing the plastics and rubber businesses.
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Physical Properties	Metric	English	Comments

Bulk Density	0.650 g/cc	0.0235 lb/in³	ISO 60
Density	1.05 g/cc	0.0379 lb/in³	ISO 1183
Water Absorption	<= 0.10 %	<= 0.10 %	24 hours - 23°C; ISO 62
Linear Mold Shrinkage	0.0030 - 0.0060 cm/cm	0.0030 - 0.0060 in/in	Internal Method
Melt Flow	7.5 g/10 min @Load 5.00 kg, Temperature 200 °C	7.5 g/10 min @Load 11.0 lb, Temperature 392 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	80	80	ISO 2039/2
Tensile Strength at Break	43.0 MPa	6240 psi	5 mm/min; ISO 527
Elongation at Break	1.6 %	1.6 %	5 mm/min; ISO 527
Tensile Modulus	3.25 GPa	471 ksi	1 mm/min; ISO 527
Flexural Strength	80.0 MPa	11600 psi	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	1.50 kJ/m² @Thickness 4.00 mm, Temperature -30.0 °C	0.714 ft-lb/in² @Thickness 0.157 in, Temperature -22.0 °F	ISO 180/1A
	1.70 kJ/m² @Thickness 4.00 mm, Temperature 23.0 °C	0.809 ft-lb/in² @Thickness 0.157 in, Temperature 73.4 °F	ISO 180/1A

Electrical Properties	Metric	English	Comments
Volume Resistivity	7.00e+15 ohm-cm	7.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.50e+15 ohm	1.50e+15 ohm	IEC 60093
Dielectric Constant	2.5 @Frequency 50 Hz	2.5 @Frequency 50 Hz	IEC 60250
Dielectric Strength	70.0 kV/mm	1780 kV/in	IEC 60243
Dissipation Factor	0.00020 @Frequency 50 Hz	0.00020 @Frequency 50 Hz	IEC 60250
Comparative Tracking Index	400 V	400 V	Solution A; IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear	70.0 µm/m-°C @Temperature 20.0 °C	38.9 µin/in-°F @Temperature 68.0 °F	ASTM D 696
Thermal Conductivity	0.170 W/m-K	1.18 BTU-in/hr-ft²-°F	ISO 8302
Deflection Temperature at 1.8 MPa (264 psi)	95.0 °C	203 °F	120°C/h; ASTM D 648
Vicat Softening Point	101 °C	214 °F	50 N - 50°C/h; ISO 306/B
	106 °C	223 °F	10 N - 50°C/h; ISO 306/A
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	UL94
Glow Wire Test	650 °C @Thickness 1.60 mm	1200 °F @Thickness 0.0630 in	IEC 60695-2-1

Processing Properties	Metric	English	Comments
Melt Temperature	210 - 240 °C	410 - 464 °F	Extrusion

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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