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Rulon Bearings

Borealis FR4837 Chemically Crosslinkable Polyethylene Compound for Primary Automotive Wires
Categories: Polymer; Thermoplastic; Polyethylene (PE)

Material Notes: FR4837 is a chemically crosslinkable Non-halogen flame retardant Polyethylene compound for Primary Automotive and Appliance Wire. Applications: FR4837 is intended for use as a 125º C rated primary insulation for crosslinked automotive wire. Specifications: FR4837 in combination meets the applicable requirements when processed using sound extrusion and testing procedure SAE J1128/J1127.

Information provided by Borealis AG

Key Words: PE
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Physical PropertiesMetricEnglishComments
Density 1.40 g/cc0.0506 lb/in³ASTM D792
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 5050ASTM D2240
Tensile Strength at Break 12.8 MPa1860 psiafter aging, 168h, 165°C
 16.0 MPa2320 psiASTM D412
Elongation at Break 220 %220 %ASTM D412
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+6 ohm-cm1.00e+6 ohm-cmASTM D257
Dielectric Constant 3.7
@Frequency 6e+7 Hz
3.7
@Frequency 6e+7 Hz
ASTM D150
Dielectric Strength >= 22.0 kV/mm>= 559 kV/in
Dissipation Factor 0.010
@Frequency 6e+7 Hz
0.010
@Frequency 6e+7 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
Brittleness Temperature <= -50.0 °C<= -58.0 °FASTM D2863
Oxygen Index 25 %25 %ASTM D2863
 
Processing PropertiesMetricEnglishComments
Middle Barrel Temperature 96.0 °C205 °Fbarrel 1
 110 °C230 °Fbarrel 6
Melt Temperature 120 - 125 °C248 - 257 °F
Drying Temperature 55.0 °C131 °Fhumidified air drying temperature;2-8h
Shelf Life 18.0 Month18.0 Month
 
Descriptive Properties
Single Vertical Flame TestPass20AWG;ISO 6722/SAE J1128

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