Plenco 7021 Phenolic, Granular, Injection Molded

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Plenco 7021 Phenolic, Granular, Injection Molded
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Impact Grade, Filled
Material Notes:	PLENCO 07021 is a renumber of Plaslok 7021 which 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. PLENCO 07021 is UL recognized under component file E40654. Information supplied by Plenco.
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Physical Properties	Metric	English	Comments

Bulk Density	0.460 g/cc	0.0166 lb/in³	ASTM D1895
Density	1.38 g/cc	0.0499 lb/in³	ASTM D792
Water Absorption	0.50 %	0.50 %	ASTM D570
Linear Mold Shrinkage	0.0112 cm/cm	0.0112 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	86	86	ASTM D785
Tensile Strength, Ultimate	57.0 MPa	8270 psi	ASTM D638
Elongation at Break	0.84 %	0.84 %	ASTM D638
Tensile Modulus	8.50 GPa	1230 ksi	ASTM D638
Flexural Strength	72.0 MPa	10400 psi	ASTM D790
Flexural Modulus	6.70 GPa	972 ksi	ASTM D790
Compressive Strength	216 MPa	31300 psi	ASTM D695
Izod Impact, Notched	0.251 J/cm	0.470 ft-lb/in	ASTM D256
Charpy Impact, Notched	0.197 J/cm²	0.938 ft-lb/in²	ASTM D256
Impact	132	132	J/m Drop Ball Impact; PLENCO

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.70e+14 ohm-cm	1.70e+14 ohm-cm	ASTM D247
Dielectric Constant	4.5	4.5	ASTM D150
Dielectric Strength	10.9 kV/mm	277 kV/in	Short Time; ASTM D149
Dissipation Factor	0.048	0.048	ASTM D150
Arc Resistance	77 sec	77 sec	ASTM D495
Comparative Tracking Index	175 V	175 V	ASTM D3638

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	192 °C	378 °F	Heat Resistance; ASTM D570D
Deflection Temperature at 1.8 MPa (264 psi)	153 °C	307 °F	ASTM D648
Shrinkage	0.39 %	0.39 %	72 hr, 120ºC; ASTM D1299

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PLEM23m / 50703

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