Plenco 08218 Polyester BMC, Compression Molded

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Plenco 08218 Polyester BMC, Compression Molded
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	PLENCO 08218 is a renumber of PlasGlas 20118. PLENCO 08218 is an 18% glass-filled polyester bulk molding compound characterized as an electrical grade, but has many outstanding properties that make it suitable for a broad range of applications. Because of its excellent electrical resistance and mechanical strength, it is well suited to commercial/industrial heavy duty electrical parts, including enclosures for power distribution equipment, fuse holders, circuit breaker cases, electric motor housings and components. It is available in bulk or extruded form, and currently in the colors of natural and light gray. Other colors available upon request. It is UL recognized under file E40654. Information supplied by Plenco.
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Physical Properties	Metric	English	Comments

Density	1.83 g/cc	0.0661 lb/in³	ASTM D792
Water Absorption	0.091 %	0.091 %	ASTM D570
Linear Mold Shrinkage	0.0038 cm/cm	0.0038 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	46	46	ASTM D785
Tensile Strength, Ultimate	46.0 MPa	6670 psi	ASTM D638
Elongation at Break	0.59 %	0.59 %	ASTM D638
Tensile Modulus	13.2 GPa	1910 ksi	ASTM D638
Flexural Strength	133 MPa	19300 psi	ASTM D790
Flexural Modulus	12.4 GPa	1800 ksi	ASTM D790
Compressive Strength	136 MPa	19700 psi	ASTM D695
Poissons Ratio	0.296	0.296	ASTM D638
Shear Modulus	5.09 GPa	738 ksi	Calculated
Izod Impact, Notched	4.30 J/cm	8.06 ft-lb/in	ASTM D256
Charpy Impact, Notched	4.30 J/cm²	20.5 ft-lb/in²	ASTM D256

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.30e+15 ohm-cm	2.30e+15 ohm-cm	ASTM D247
Dielectric Constant	4.4	4.4	ASTM D150
Dielectric Strength	10.9 kV/mm	277 kV/in	Step by Step; ASTM D149
	13.5 kV/mm	343 kV/in	Short Time; ASTM D149
Dielectric Breakdown	22645 V	22645 V	1hr 120C; ASTM D149
Dissipation Factor	0.0229	0.0229	ASTM D150
Arc Resistance	191 sec	191 sec	ASTM D495
Comparative Tracking Index	600 V	600 V	ASTM D3638

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	222 °C	432 °F	Heat Resistance; ASTM D570D
Deflection Temperature at 1.8 MPa (264 psi)	271 °C	520 °F	ASTM D648
Flammability, UL94	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 in
Shrinkage	0.0013 %	0.0013 %	72 hr, 120ºC; ASTM D1299

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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PLEM55m3 / 50741

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