Plenco 7321 Phenolic, Nodular, Compression Molded

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Plenco 7321 Phenolic, Nodular, Compression Molded
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Flock Filled
Material Notes:	PLENCO 07321 is an organic fiber reinforced phenolic molding compound, offering improved mechanical strength and excellent dimensional stability. Type ASTM 5948 CFI-5, and UL recognized under component file E40654. 07321 is available in black. Information supplied by Plenco.
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Physical Properties	Metric	English	Comments

Bulk Density	0.590 g/cc	0.0213 lb/in³	ASTM D1895
Density	1.38 g/cc	0.0499 lb/in³	ASTM D792
Water Absorption	0.63 %	0.63 %	ASTM D570
Linear Mold Shrinkage	0.0030 cm/cm	0.0030 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	63	63	ASTM D785
Tensile Strength, Ultimate	38.0 MPa	5510 psi	ASTM D638
Flexural Strength	68.0 MPa	9860 psi	ASTM D790
Flexural Modulus	7.30 GPa	1060 ksi	ASTM D790
Compressive Strength	140 MPa	20300 psi	ASTM D695
Charpy Impact, Notched	0.400 J/cm²	1.90 ft-lb/in²	ASTM D256
Impact	410	410	J/m Drop Ball Impact; PLENCO

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.00e+11 ohm-cm	2.00e+11 ohm-cm	ASTM D247
Dielectric Constant	4.6	4.6	ASTM D150
Dielectric Strength	13.9 kV/mm	353 kV/in	Short Time; ASTM D149
Dissipation Factor	0.043	0.043	ASTM D150
Arc Resistance	113 sec	113 sec	ASTM D495
Comparative Tracking Index	150 V	150 V	ASTM D3638

Thermal Properties	Metric	English	Comments
CTE, linear	67.0 µm/m-°C @Temperature 40.0 - 130 °C	37.2 µin/in-°F @Temperature 104 - 266 °F	TMA; ASTM E831
Maximum Service Temperature, Air	170 °C	338 °F	Heat Resistance; ASTM D570D
Deflection Temperature at 1.8 MPa (264 psi)	168 °C	334 °F	ASTM D648
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in
Oxygen Index	24.2 %	24.2 %	ASTM D2863

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PLEM33 / 50713

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