A. Schulman BMC 695 Vinyl Ester Molding Compound

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A. Schulman BMC 695 Vinyl Ester Molding Compound
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Vinyl Ester; Vinyl Ester Sheet Molding Compound
Material Notes:	BMC 695 vinyl ester molding compound is a mineral filled glass fiber-reinforced vinyl ester compound suitable for compression and 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, valve covers, timing chain covers, and engine top covers.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.70 - 1.77 g/cc	1.70 - 1.77 g/cc
Water Absorption	0.10 - 0.30 %	0.10 - 0.30 %	24 hours, 23°C
Linear Mold Shrinkage	0.00 - 0.0010 cm/cm	0.00 - 0.0010 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	55 - 65	55 - 65
Tensile Strength, Ultimate	62.1 - 82.7 MPa	9000 - 12000 psi
Flexural Strength	179 - 214 MPa	26000 - 31000 psi
Compressive Strength	159 - 193 MPa	23000 - 28000 psi
Izod Impact, Notched	7.47 - 10.1 J/cm	14.0 - 19.0 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	14.2 kV/mm	360 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 @Thickness 1.60 mm	HB @Thickness 0.0630 in
	V-0 @Thickness 6.35 mm	V-0 @Thickness 0.250 in
	V-0 @Thickness 3.17 mm	V-0 @Thickness 0.125 in

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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PBMC029 / 27212

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