Plenco 7021 Black Impact Grade Phenolic Molding Compound

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Plenco 7021 Black Impact Grade Phenolic Molding Compound
Categories:	Polymer; Thermoset; Phenolic; Phenolic, Novolac, Impact Grade, Filled
Material Notes:	Plaslok 7021 is the replacement material for the former Union Carbide BMRS-7021. It is a two-stage, impact grade phenolic molding compound suitable for compression, transfer or injection molding of switchgear parts, or where mechanical assembly requires better impact strength. Data provided by Plaslok Corporation. Plaslok Corporation was purchased by Plastics Engineering Company in March 2000. The Plaslok name is no longer used on any products.
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Physical Properties	Metric	English	Comments

Density	1.38 g/cc	0.0499 lb/in³	ASTM D792
Apparent Bulk Density	0.480 g/cc	0.0173 lb/in³	ASTM D1895
Water Absorption	0.50 %	0.50 %	ASTM D570
Linear Mold Shrinkage	0.0060 cm/cm	0.0060 in/in	Compression; ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	41.0 MPa	5950 psi	ASTM D638
Flexural Yield Strength	74.0 MPa	10700 psi	ASTM D790
Flexural Modulus	6.90 GPa	1000 ksi	ASTM D790
Compressive Yield Strength	228 MPa	33100 psi	ASTM D695
Izod Impact, Notched	0.240 J/cm	0.450 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Electrical Resistivity	6.00e+9 ohm-cm	6.00e+9 ohm-cm	ASTM D257
Dielectric Constant	4.5 @Frequency 1e+6 Hz	4.5 @Frequency 1e+6 Hz	ASTM D150
	6.0 @Frequency 60 Hz	6.0 @Frequency 60 Hz	ASTM D150
Dielectric Strength	11.8 kV/mm	300 kV/in	ASTM D149
Dissipation Factor	0.040 @Frequency 1e+6 Hz	0.040 @Frequency 1e+6 Hz	ASTM D150
	0.11 @Frequency 60 Hz	0.11 @Frequency 60 Hz	ASTM D150
Comparative Tracking Index	125 V	125 V	UL 746

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	171 °C	340 °F	ASTM D648
UL RTI, Electrical	150 °C @Thickness 1.57 mm	302 °F @Thickness 0.0618 in
UL RTI, Mechanical with Impact	150 °C @Thickness 1.57 mm	302 °F @Thickness 0.0618 in
UL RTI, Mechanical without Impact	150 °C @Thickness 1.57 mm	302 °F @Thickness 0.0618 in
Flammability, UL94	V-0 @Thickness 3.18 mm	V-0 @Thickness 0.125 in
	V-0 @Thickness 3.18 mm	V-0 @Thickness 0.125 in

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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