Plenco 7321 Phenolic, Granular, Transfer Molded

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Plenco 7321 Phenolic, Granular, Transfer Molded
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic
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	Original Value	Comments

Bulk Density	0.470 g/cc	ASTM D1895
Density	1.40 g/cc	ASTM D792
Water Absorption	0.37 %	ASTM D570
Linear Mold Shrinkage	0.0091 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Rockwell E	76	ASTM D785
Tensile Strength, Ultimate	43.0 MPa	ASTM D638
Elongation at Break	0.71 %	ASTM D638
Tensile Modulus	6.90 GPa	ASTM D638
Flexural Strength	67.0 MPa	ASTM D790
Flexural Modulus	6.70 GPa	ASTM D790
Compressive Strength	179 MPa	ASTM D695
Izod Impact, Notched	28.4 J/m	ASTM D256
Charpy Impact, Notched	0.291 J/cm²	ASTM D256
Impact	310	J/m Drop Ball Impact; PLENCO

Electrical Properties	Original Value	Comments
Volume Resistivity	1.70e+11 ohm-cm	ASTM D247
Dielectric Constant	5.3	ASTM D150
Dielectric Strength	8.30 kV/mm	Short Time; ASTM D149
Dissipation Factor	0.074	ASTM D150
Arc Resistance	133 sec	ASTM D495
Comparative Tracking Index	150 V	ASTM D3638

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	187 °C	Heat Resistance; ASTM D570D
Deflection Temperature at 1.8 MPa (264 psi)	163 °C	ASTM D648
Flammability, UL94	HB @Thickness 1.50 mm
Shrinkage	0.29 %	72 hr, 120ºC; ASTM D1299

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PLEM35 / 50715

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