A. Schulman BMC 6241 Glass Fiber Reinforced Compound

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A. Schulman BMC 6241 Glass Fiber Reinforced Compound
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	BMC 6241 is a glass fiber-reinforced material formulated specifically for molding of industrial lighting reflectors where adequate strength is required along with a high reflectivity. It is available in extruded performs in weight and diameter tailored to meet the molder’s requirements.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.93 g/cc	1.93 g/cc
Water Absorption	0.10 %	0.10 %	24 hours, 23°C
Linear Mold Shrinkage	0.0025 - 0.0040 cm/cm	0.0025 - 0.0040 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	35 - 45	35 - 45
Tensile Strength, Ultimate	48.3 - 62.1 MPa	7000 - 9000 psi
Flexural Strength	110 - 138 MPa	16000 - 20000 psi
Compressive Strength	152 - 193 MPa	22000 - 28000 psi
Izod Impact, Notched	1.60 - 2.67 J/cm	3.00 - 5.00 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	13.4 - 15.0 kV/mm	340 - 380 kV/in	Short Time
Arc Resistance	180 - 190 sec	180 - 190 sec

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F
Flammability, UL94	V-0 @Thickness 6.35 mm	V-0 @Thickness 0.250 in
	V-0 @Thickness 3.17 mm	V-0 @Thickness 0.125 in
	V-0 @Thickness 1.59 mm	V-0 @Thickness 0.0625 in

Optical Properties	Metric	English	Comments
Reflection Coefficient, Visible (0-1)	0.92	0.92	Luminous Reflectance, min.

Processing Properties	Metric	English	Comments
Mold 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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PBMC025 / 27208

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