Versalis Edistir R 540E Polystyrene

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Versalis Edistir R 540E Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	HIPS with high stiffness, matt surface finish and good heat resistance. Suitable for general extrusion of thick sheets and profiles. Also used for injection moldings. Designation: Thermoplastics ISO 2897-PS-I,G,093-03-07-18 Applications: To be used in industrial panels for appliances and buildings. Injection molding of shoe heels. R 540E satisfies UL94 HB at 1.5 mm (internal test). This grade in natural version complies by composition with the requirements set by the main Regulations for plastic materials intended for food contact (included the EEC Directive 90/128 and following 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	1.04 g/cc	0.0376 lb/in³	ISO 1183
Water Absorption	<= 0.10 %	<= 0.10 %	24 hours - 23°C; ISO 62
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	0.0040 - 0.0070 in/in	Internal Method
Melt Flow	4.0 g/10 min @Load 5.00 kg, Temperature 200 °C	4.0 g/10 min @Load 11.0 lb, Temperature 392 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell L	70	70	ISO 2039/2
Tensile Strength at Break	29.0 MPa	4210 psi	50 mm/min; ISO 527
Tensile Strength, Yield	24.0 MPa	3480 psi	50 mm/min; ISO 527
Elongation at Break	60 %	60 %	50 mm/min; ISO 527
Tensile Modulus	2.00 GPa	290 ksi	1 mm/min; ISO 527
Flexural Strength	43.0 MPa	6240 psi	2 mm/min; ISO 178
Izod Impact, Notched	1.00 J/cm @Thickness 3.20 mm, Temperature 23.0 °C	1.87 ft-lb/in @Thickness 0.126 in, Temperature 73.4 °F	ISO 180/4A
Izod Impact, Notched (ISO)	6.00 kJ/m² @Thickness 4.00 mm, Temperature -30.0 °C	2.86 ft-lb/in² @Thickness 0.157 in, Temperature -22.0 °F	ISO 180/1A
	8.00 kJ/m² @Thickness 4.00 mm, Temperature 23.0 °C	3.81 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	65.0 kV/mm	1650 kV/in	IEC 60243
Dissipation Factor	0.00030 @Frequency 50 Hz	0.00030 @Frequency 50 Hz	IEC 60250
Comparative Tracking Index	500 V	500 V	Solution A; IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear	90.0 µm/m-°C @Temperature 20.0 °C	50.0 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)	86.0 °C	187 °F	120°C/h; ASTM D 648
Vicat Softening Point	92.0 °C	198 °F	50 N - 50°C/h; ISO 306/B
	100 °C	212 °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
	210 - 260 °C	410 - 500 °F	Injection Molding
Mold Temperature	20.0 - 60.0 °C	68.0 - 140 °F	Injection Molding

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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