A. Schulman BMC T40(25)-XHS Die Casting Replacement Grade Molding Compound

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A. Schulman BMC T40(25)-XHS Die Casting Replacement Grade Molding Compound
Categories:	Polymer; Thermoset; Polyester, TS; Polyester (Thermoset) - Rigid
Material Notes:	BMC T40(25)-XHS is a high strength molding compound with excellent dimensional stability. It is UL recognized and is available in a wide range of colors. Because of its superior physical properties and ability to maintain machined tolerances in a molding part it is used widely as a direct replacement for die castings. T40(25)-XHS can be injection, compression and transfer molded. Other uses are structural parts as well as circuit breakers. Information provided by Bulk Molding Compounds, Inc.
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Physical Properties	Metric	English	Comments

Density	1.69 - 1.89 g/cc	0.0611 - 0.0683 lb/in³	Molded
Linear Mold Shrinkage	0.0020 - 0.0030 cm/cm	0.0020 - 0.0030 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	40 - 50	40 - 50
Tensile Strength	65.5 - 79.3 MPa	9500 - 11500 psi
Flexural Strength	238 - 265 MPa	34500 - 38500 psi
Flexural Modulus	13.8 - 15.9 GPa	2000 - 2300 ksi
Compressive Strength	131 - 159 MPa	19000 - 23000 psi
Izod Impact, Notched	7.47 - 8.54 J/cm	14.0 - 16.0 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	13.2 - 15.2 kV/mm	335 - 385 kV/in	short time
Arc Resistance	>= 183 sec	>= 183 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	UL 94 V0/UL 94 5V

Processing Properties	Metric	English	Comments
Processing 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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PBMC941 / 123405

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