A. Schulman BMC HT12-1023L Unsaturated Polyester Bulk Molding Compound

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A. Schulman BMC HT12-1023L Unsaturated Polyester Bulk Molding Compound
Categories:	Polymer; Thermoset; Polyester, TS; Polyester (Thermoset) - Rigid
Material Notes:	BMC HT12-1023L is a highly engineered Unsaturated Polyester Bulk Molding Compound developed for automotive under-hood applications. This compound is specified by Ford motor company for solenoid caps. Due to its excellent heat resistance and dimensional stability it performs well in automotive applications. Information provided by Bulk Molding Compounds, Inc.
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Physical Properties	Metric	English	Comments

Density	1.75 - 1.95 g/cc	0.0632 - 0.0704 lb/in³	Molded
Linear Mold Shrinkage	0.0015 - 0.0025 cm/cm	0.0015 - 0.0025 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	30 - 35	30 - 35
Tensile Strength	67.6 - 81.4 MPa	9800 - 11800 psi
Flexural Strength	134 - 162 MPa	19500 - 23500 psi
Flexural Modulus	12.4 - 13.8 GPa	1800 - 2000 ksi
Compressive Strength	149 - 177 MPa	21600 - 25600 psi
Izod Impact, Notched	2.72 - 3.79 J/cm	5.10 - 7.10 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	13.7 - 15.6 kV/mm	347 - 397 kV/in	short time
Arc Resistance	180 sec	180 sec

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	218 - 260 °C	425 - 500 °F
Flammability, UL94	HB	HB	This product is not currently UL listed.

Processing Properties	Metric	English	Comments
Processing Temperature	143 - 171 °C	290 - 340 °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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PBMC922 / 123386

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