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	Original Value	Comments

Bulk Density	0.650 g/cc	ISO 60
Density	1.04 g/cc	ISO 1183
Water Absorption	<= 0.10 %	24 hours - 23°C; ISO 62
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	Internal Method
Melt Flow	4.0 g/10 min @Load 5.00 kg, Temperature 200 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell L	70	ISO 2039/2
Tensile Strength at Break	29.0 MPa	50 mm/min; ISO 527
Tensile Strength, Yield	24.0 MPa	50 mm/min; ISO 527
Elongation at Break	60 %	50 mm/min; ISO 527
Tensile Modulus	2.00 GPa	1 mm/min; ISO 527
Flexural Strength	43.0 MPa	2 mm/min; ISO 178
Izod Impact, Notched	100 J/m @Thickness 3.20 mm, Temperature 23.0 °C	ISO 180/4A
Izod Impact, Notched (ISO)	6.00 kJ/m² @Thickness 4.00 mm, Temperature -30.0 °C	ISO 180/1A
	8.00 kJ/m² @Thickness 4.00 mm, Temperature 23.0 °C	ISO 180/1A

Electrical Properties	Original Value	Comments
Volume Resistivity	7.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.50e+15 ohm	IEC 60093
Dielectric Constant	2.5 @Frequency 50 Hz	IEC 60250
Dielectric Strength	65.0 kV/mm	IEC 60243
Dissipation Factor	0.00030 @Frequency 50 Hz	IEC 60250
Comparative Tracking Index	500 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	90.0 µm/m-°C @Temperature 20.0 °C	ASTM D 696
Thermal Conductivity	0.170 W/m-K	ISO 8302
Deflection Temperature at 1.8 MPa (264 psi)	86.0 °C	120°C/h; ASTM D 648
Vicat Softening Point	92.0 °C	50 N - 50°C/h; ISO 306/B
	100 °C	10 N - 50°C/h; ISO 306/A
Flammability, UL94	HB @Thickness 1.50 mm	UL94
Glow Wire Test	650 °C @Thickness 1.60 mm	IEC 60695-2-1

Processing Properties	Original Value	Comments
Melt Temperature	210 - 240 °C	Extrusion
	210 - 260 °C	Injection Molding
Mold Temperature	20.0 - 60.0 °C	Injection Molding

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