A. Schulman BMC A50-XHS-U Bulk molding compound

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A. Schulman BMC A50-XHS-U Bulk molding compound
Categories:	Polymer; Thermoset; Polyester, TS
Material Notes:	Description: BMC A50-XHS-U is a high strength bulk molding compound with a UL F1 rating for outdoor exposure. This material was specifically designed for outdoor lighting and electrical applications. It can be supplied in bulk or extruded in pre-weighted slugs. Due to the excellent flow and controlled reactivity, BMC A50-XHS-U is well suited for injection, transfer or compression molding. Information provided by Bulk Molding Compounds
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Physical Properties	Metric	English	Comments

Specific Gravity	1.79 - 1.99 g/cc	1.79 - 1.99 g/cc	molded
Linear Mold Shrinkage	0.0015 - 0.0025 cm/cm	0.0015 - 0.0025 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	30 - 40	30 - 40
Tensile Strength at Break	57.2 - 71.0 MPa	8300 - 10300 psi
Flexural Yield Strength	124 - 152 MPa	18000 - 22000 psi
Flexural Modulus	11.7 - 13.1 GPa	1700 - 1900 ksi
Compressive Strength	116 - 143 MPa	16800 - 20800 psi
Izod Impact, Notched	5.34 - 6.41 J/cm	10.0 - 12.0 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	14.8 - 16.7 kV/mm	375 - 425 kV/in	Short Time
Arc Resistance	>= 186 sec	>= 186 sec
Comparative Tracking Index	<= 500 V	<= 500 V

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F
Flammability, UL94	V-0	V-0

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.

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PBMC966 / 135938

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