Versalis Edistir N 2560 Polystyrene

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Versalis Edistir N 2560 Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Molded, Unreinforced
Material Notes:	High molecular weight general purpose polystyrene with good mechanical strength and good thermal resistance. It is recommended for in-line forming of disposable packaging, for sheet extrusion in blend with conventional or clear high impact PS and for injection moulding of complex items requiring good toughness and improved elasticity. Designation: Thermoplastics ISO 1622-PS,G,095-03 Applications: Suitable for thermoformed food packaging articles as drink and dairy cups, plates, trays and for injection moulded cd boxes, domestic appliances, stationery, cutlery, housewares. N 2560 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	Original Value	Comments

Bulk Density	0.650 g/cc	ISO 60
Density	1.05 g/cc	ISO 1183
Water Absorption	<= 0.10 %	24 hours - 23°C; ISO 62
Linear Mold Shrinkage	0.0030 - 0.0060 cm/cm	Internal Method
Melt Flow	3.8 g/10 min @Load 5.00 kg, Temperature 200 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	80	ISO 2039/2
Tensile Strength at Break	40.0 MPa	5 mm/min; ISO 527
Elongation at Break	2.0 %	5 mm/min; ISO 527
Tensile Modulus	3.25 GPa	1 mm/min; ISO 527
Flexural Strength	75.0 MPa	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	1.60 kJ/m² @Thickness 4.00 mm, Temperature -30.0 °C	ISO 180/1A
	1.80 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	70.0 kV/mm	IEC 60243
Dissipation Factor	0.00020 @Frequency 50 Hz	IEC 60250
Comparative Tracking Index	400 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	70.0 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)	84.0 °C	120°C/h; ASTM D 648
Vicat Softening Point	91.0 °C	50 N - 50°C/h; ISO 306/B
	97.0 °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
	200 - 250 °C	Injection Molding
Mold Temperature	10.0 - 50.0 °C	Injection Molding

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