A. Schulman BMC A50-XHS Bulk molding compound

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A. Schulman BMC A50-XHS Bulk molding compound
Categories:	Polymer; Thermoset; Polyester, TS
Material Notes:	Description: BMC A50XHS is a high strength bulk molding compound. It can be supplied in bulk or extruded in preweighted slugs. Due to the excellent flow and controlled reactivity, BMC A50XHS is well suited for injection, transfer or compression molding. Typical applications are circuit breakers, lighting housings and structural parts. 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

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PBMC965 / 135937

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