Norplex-Micarta MC320LE Phenolic Cotton Laminate Sheet, NEMA LE

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Norplex-Micarta MC320LE Phenolic Cotton Laminate Sheet, NEMA LE
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Grade MC320LE is a fine weave bleached cotton phenolic composite that has excellent machining characteristics and low moisture absorption. Applications include marine applications, terminal boards and parts requiring medium strength and excellent electrical characteristics. MC320LE meets or exceeds the requirements of MIL-I-24768/13. Information provided by Norplex-Micarta
Key Words:	Cotton, Phenolic, Micarta, MIL-I-24768/13-FBE, ASTM D709 Type II Grade LE, NEMA LE
Vendors:	Norplex-Micarta is the leading manufacturer of high performance thermoset composite materials. We work directly with customers to manufacture the highest quality specialty sheet products, pre-pregs, rods and molded shapes, and tubes to meet demanding composite applications for our OEMs and fabricators around the world. Visit norplex-micarta.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Specific Gravity	1.38 g/cc @Thickness 12.7 mm	ASTM D792
Moisture Absorption	0.870 % @Thickness 3.17 mm	ASTM D570 Condition A

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	102 @Thickness 6.35 mm	ASTM D785
Tensile Strength	18800 psi @Thickness 3.17 mm	CrossWise; ASTM D638 Condition A
Flexural Strength	24000 psi @Thickness 3.17 mm	LengthWise; ASTM D790 Condition A
Compressive Strength	38000 psi @Thickness 3.17 mm	Flatwise; ASTM D695 Condition A
Shear Strength	14000 psi @Thickness 12.7 mm	perpendicular; ASTM D732 Condition A
Izod Impact, Unnotched	1.70 ft-lb/in @Thickness 12.7 mm	CrossWise; ASTM D256 Condition E-48/50
	2.00 ft-lb/in @Thickness 12.7 mm	LengthWise; ASTM D256 Condition E-48/50

Electrical Properties	Original Value	Comments
Dielectric Constant	5.3 @Thickness 1.57 mm, Frequency 1e+6 Hz	ASTM D150 Condition D-24/23
Dielectric Breakdown	70000 V @Thickness 1.57 mm	ASTM D149 Condition A
Dissipation Factor	0.044 @Thickness 1.57 mm, Frequency 1e+6 Hz	ASTM D150 Condition D-24/23
Arc Resistance	130 sec @Thickness 3.17 mm	ASTM D495 Conition A

Thermal Properties	Original Value	Comments
UL RTI, Electrical	115 °C	UL Bulletin 746b
UL RTI, Mechanical with Impact	125 °C	UL Bulletin 746b
Flammability, UL94	HB @Thickness 12.7 mm

Descriptive Properties
Bonding Strength	1700	[lb]; 0.5"; ASTM D229 Condition D-48/50

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PNORPM023 / 192780

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