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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Rockwell E	46	ASTM D785
Tensile Strength, Ultimate	46.0 MPa	ASTM D638
Elongation at Break	0.59 %	ASTM D638
Tensile Modulus	13.2 GPa	ASTM D638
Flexural Strength	133 MPa	ASTM D790
Flexural Modulus	12.4 GPa	ASTM D790
Compressive Strength	136 MPa	ASTM D695
Poissons Ratio	0.296	ASTM D638
Shear Modulus	5.09 GPa	Calculated
Izod Impact, Notched	430 J/m	ASTM D256
Charpy Impact, Notched	4.30 J/cm²	ASTM D256

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

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

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PLEM55m3 / 50741

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