A. Schulman BMC 324 Automotive Grade Molding Compound

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A. Schulman BMC 324 Automotive Grade Molding Compound
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	BMC 324 is a low profile, automotive grade molding compound that is suitable for Injection, Compression or Transfer molding operations. BMC 324 can be metallized directly, without an initial base-coat. BMC 324 can be supplied in logs, slugs or bulk form. Typical applications include Automotive Headlamp and Foglamp Reflectors.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.80 - 2.00 g/cc	1.80 - 2.00 g/cc
Water Absorption	0.10 - 0.30 %	0.10 - 0.30 %	24 hours, 23°C
Linear Mold Shrinkage	0.00 - 0.0020 cm/cm	0.00 - 0.0020 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	40 - 60	40 - 60
Tensile Strength, Ultimate	27.6 - 55.2 MPa	4000 - 8000 psi
Flexural Strength	82.7 - 124 MPa	12000 - 18000 psi
Flexural Modulus	7.58 - 13.1 GPa	1100 - 1900 ksi
Compressive Strength	110 - 138 MPa	16000 - 20000 psi
Izod Impact, Notched	1.07 - 3.74 J/cm	2.00 - 7.00 ft-lb/in

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	218 - 260 °C	425 - 500 °F
Flammability, UL94	HB	HB

Processing Properties	Metric	English	Comments
Mold Temperature	171 - 193 °C	340 - 380 °F

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PBMC006 / 27189

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