A. Schulman BMC 5592 Arc, Track, and Weather Resistant Polyester

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A. Schulman BMC 5592 Arc, Track, and Weather Resistant Polyester
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass and Mineral Filled BMC
Material Notes:	BMC 5592 molding compound is an arc, track and weather resistant grade polyester compound suitable for compression, transfer and stuffer injection molding. It has excellent impact strength, flame resistance and electrical characteristics. Typical applications include third rail and other rapid transit insulators.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.87 g/cc	1.87 g/cc
Water Absorption	0.10 %	0.10 %	24 hours, 23°C
Linear Mold Shrinkage	0.0020 - 0.0030 cm/cm	0.0020 - 0.0030 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	35 - 45	35 - 45
Tensile Strength, Ultimate	68.9 - 89.6 MPa	10000 - 13000 psi
Flexural Strength	159 - 186 MPa	23000 - 27000 psi
Compressive Strength	152 - 165 MPa	22000 - 24000 psi
Izod Impact, Notched	6.94 - 8.01 J/cm	13.0 - 15.0 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	14.6 - 15.7 kV/mm	370 - 400 kV/in	Short Time
Arc Resistance	195 sec	195 sec
Track Resistance	>= 60000 sec	>= 60000 sec	inclined plane, 2500 volts
Comparative Tracking Index	>= 600 V	>= 600 V

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F
Flammability, UL94	V-0 @Thickness 6.35 mm	V-0 @Thickness 0.250 in
	V-0 @Thickness 3.17 mm	V-0 @Thickness 0.125 in
	V-0 @Thickness 1.59 mm	V-0 @Thickness 0.0625 in
	V-0 @Thickness 1.02 mm	V-0 @Thickness 0.0400 in
Flammability Test	50	50	burn time, [sec]
	200	200	ignition time, [sec]

Processing Properties	Metric	English	Comments
Mold Temperature	138 - 166 °C	280 - 330 °F

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.

PBMC068 / 27251

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