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Rulon Bearings

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Versalis Edistir R 850E Polystyrene
Categories: Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes: Super high impact polystyrene with good heat resistance. Designed for sheet extrusion and thermoforming of deep drawn containers even diluted with high percentage of GP. Suitable for general injection molding of tough medium-walled articles.

Designation: Thermoplastics ISO 2897-PS-I,G,093-03-10-18

Applications: Typical uses are thermoformed food packaging as disposable tumblers, flatwares, yoghurt cups, lids. Injection molding of technical items, shoe heels, reels.

R 850E is certified UL94 HB "all colors" at 1.5 mm (UL file E83071).

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.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Bulk Density 0.650 g/ccISO 60
Density 1.04 g/ccISO 1183
Water Absorption <= 0.10 %24 hours - 23°C; ISO 62
Linear Mold Shrinkage 0.0040 - 0.0070 cm/cmInternal Method
Melt Flow 4.0 g/10 min
@Load 5.00 kg,
Temperature 200 °C		ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell L 65ISO 2039/2
Tensile Strength at Break 24.0 MPa50 mm/min; ISO 527
Tensile Strength, Yield 21.0 MPa50 mm/min; ISO 527
Elongation at Break 60 %50 mm/min; ISO 527
Tensile Modulus 1.85 GPa1 mm/min; ISO 527
Flexural Strength 38.0 MPa2 mm/min; ISO 178
Izod Impact, Notched 125 J/m
@Thickness 3.20 mm,
Temperature 23.0 °C		ISO 180/4A
Izod Impact, Notched (ISO) 6.50 kJ/m²
@Thickness 4.00 mm,
Temperature -30.0 °C		ISO 180/1A
 10.0 kJ/m²
@Thickness 4.00 mm,
Temperature 23.0 °C		ISO 180/1A
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 7.00e+15 ohm-cmIEC 60093
Surface Resistance 1.50e+15 ohmIEC 60093
Dielectric Constant 2.5
@Frequency 50 Hz		IEC 60250
Dielectric Strength 65.0 kV/mmIEC 60243
Dissipation Factor 0.00030
@Frequency 50 Hz		IEC 60250
Comparative Tracking Index 500 VSolution A; IEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear 90.0 µm/m-°C
@Temperature 20.0 °C		ASTM D 696
Thermal Conductivity 0.170 W/m-KISO 8302
Deflection Temperature at 1.8 MPa (264 psi) 85.0 °C120°C/h; ASTM D 648
Vicat Softening Point 91.0 °C50 N - 50°C/h; ISO 306/B
 99.0 °C10 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 PropertiesOriginal ValueComments
Melt Temperature 210 - 240 °CExtrusion
 210 - 260 °CInjection Molding
Mold Temperature 20.0 - 60.0 °CInjection 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 go back to viewing the property data in MatWeb's normal format.

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