Plenco 4246 Phenolic, Granular, Injection Molded

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Plenco 4246 Phenolic, Granular, Injection Molded (discontinued **)
Categories:	Polymer; Thermoset; Phenolic; Phenolic, Novolac, Heat Resistant Grade, Filled
Material Notes:	Two-stage Phenolic. PLENCO 04246 flow 18 is a black two-stage, medium heat resistant phenolic molding compound. It has excellent electrical, moldability and molded finish characteristics. It is used in appliance applications and can be molded by compression, transfer, or injection. Information supplied by Plenco
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Physical Properties	Metric	English	Comments

Density	1.47 g/cc	0.0531 lb/in³	ASTM D792
Apparent Bulk Density	0.720 g/cc	0.0260 lb/in³	Apparent density per ASTM D1895
Water Absorption	0.26 %	0.26 %	ASTM D570
Linear Mold Shrinkage	0.0081 cm/cm	0.0081 in/in	per ATM D955. Post shrinkage is 0.31% at 72hr 120ºC per ASTM D1299.

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	79	79	ASTM D785
Tensile Strength, Ultimate	58.9 MPa	8540 psi	ASTM D638
Elongation at Break	0.83 %	0.83 %	ASTM D638
Tensile Modulus	8.80 GPa	1280 ksi	ASTM D638
Flexural Yield Strength	88.5 MPa	12800 psi	ASTM D790
Flexural Modulus	8.16 GPa	1180 ksi	ASTM D790
Compressive Yield Strength	199.1 MPa	28880 psi	ASTM D695
Charpy Impact, Notched	0.170 J/cm²	0.809 ft-lb/in²	ASTM D256
Impact	98	98	J/m Plenco drop ball test

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.35e+11 ohm-cm	1.35e+11 ohm-cm	ASTM D257
Dielectric Constant	5.3 @Frequency 1e+6 Hz	5.3 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	10.0 kV/mm	254 kV/in	Short Time; ASTM D149
Dissipation Factor	0.068 @Frequency 1e+6 Hz	0.068 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	150 sec	150 sec	ASTM D495
Comparative Tracking Index	175 V	175 V	ASTM D3638

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	201 °C	394 °F	Heat resistance per ASTM D794
Deflection Temperature at 1.8 MPa (264 psi)	169 °C	336 °F	ASTM D648
Flammability, UL94	V-1 @Thickness 3.18 mm	V-1 @Thickness 0.125 in

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PLEL67 / 50639

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