A. Schulman BMC 665 Mineral filled, 20% glass reinforced polyester molding compound

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A. Schulman BMC 665 Mineral filled, 20% glass reinforced polyester molding compound
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass and Mineral Filled BMC
Material Notes:	Description: BMC 665 molding compound is a mineral filled, glass reinforced polyester molding compound suitable for compression, transfer or stuffer injection molding. It is characterized by good moldability, oil and solvent resistance and creep resistance at elevated temperatures. Typical applications include replacements for die castings and sheet molding compounds, cylinder head covers, engine front timing covers, oil pans and structural components. Information provided by Bulk Molding Compounds
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Physical Properties	Metric	English	Comments

Specific Gravity	1.67 g/cc	1.67 g/cc	ISO 1183
Water Absorption	0.080 %	0.080 %	ISO 62

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	40	40
Tensile Strength at Break	33.0 MPa	4790 psi	ISO 527
Tensile Modulus	10.2 GPa	1480 ksi	ISO 572
Flexural Yield Strength	123 MPa	17800 psi	ISO 178
Flexural Modulus	10.2 GPa	1480 ksi	ISO 178
Compressive Strength	170 MPa	24700 psi	ISO 604
Izod Impact, Notched (ISO)	36.0 kJ/m²	17.1 ft-lb/in²	ISO 179

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 127 °C	>= 260 °F	ISO 75
Flammability, UL94	HB @Thickness 1.59 mm	HB @Thickness 0.0625 in

Processing Properties	Metric	English	Comments
Mold Temperature	140 °C	284 °F

Descriptive Properties
Color	Black

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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PBMC963 / 135935

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