A. Schulman BMC T9 General Purpose Molding Compound

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A. Schulman BMC T9 General Purpose Molding Compound
Categories:	Polymer; Thermoset; Polyester, TS; Polyester (Thermoset) - Rigid
Material Notes:	BMC T9 is a low cost, general purpose bulk molding compound designed for the electrical industry. It is UL listed and is used extensively in the manufacture of residential circuit breakers. BMC T9 can be compression, transfer or injection molded. Other applications re bobbins and electrical connectors. Information provided by Bulk Molding Compounds, Inc.
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Physical Properties	Metric	English	Comments

Density	1.96 - 2.16 g/cc	0.0708 - 0.0780 lb/in³	Molded
Linear Mold Shrinkage	0.0020 - 0.0038 cm/cm	0.0020 - 0.0038 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	30 - 50	30 - 50
Tensile Strength	48.3 - 62.1 MPa	7000 - 9000 psi
Flexural Strength	110 - 138 MPa	16000 - 20000 psi
Flexural Modulus	8.27 - 9.65 GPa	1200 - 1400 ksi
Compressive Strength	131 - 159 MPa	19000 - 23000 psi
Izod Impact, Notched	2.67 - 3.74 J/cm	5.00 - 7.00 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	13.8 - 15.7 kV/mm	350 - 400 kV/in	short time
Arc Resistance	>= 180 sec	>= 180 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	HB	HB

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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PBMC913 / 123377

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