Norplex-Micarta NP342LS Phenolic Cotton Laminate Sheet

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Norplex-Micarta NP342LS Phenolic Cotton Laminate Sheet
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Fine weave canvas phenolic engineered for dimensional stability and mechanical strength at temperatures as high as 125ºC. Providing excellent moisture resistance and easy to machine, NP342LS low-shrink material was designed for use in Class B generators for wedge applications and can be tested to the General Electric specification A50A341. Information provided by Norplex-Micarta
Key Words:	Cotton, Phenolic, Micarta, GE A50A341
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	1.37 g/cc @Thickness 12.7 mm	ASTM D792
Moisture Absorption	0.580 % @Thickness 1.57 mm	ASTM D570 Condition A

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	95 @Thickness 6.35 mm	ASTM D785
Tensile Strength	13200 psi @Thickness 12.7 mm	LengthWise; ASTM D638 Condition A
Flexural Strength	20900 psi @Thickness 12.7 mm	LengthWise; ASTM D790 Condition A
	21200 psi @Thickness 12.7 mm	CrossWise; ASTM D790 Condition A
Flexural Modulus	1240 ksi @Thickness 12.7 mm	LengthWise; ASTM D790 Condition A
	1910 ksi @Thickness 12.7 mm	CrossWise; ASTM D790 Condition A
Compressive Strength	41000 psi @Thickness 12.7 mm	Flatwise; ASTM D695 Condition A
Shear Strength	21500 psi @Thickness 12.7 mm	perpendicular; ASTM D732 Condition A
Izod Impact, Unnotched	2.50 ft-lb/in @Thickness 12.7 mm	LengthWise; ASTM D256 Condition E-48/50
	2.90 ft-lb/in @Thickness 12.7 mm	CrossWise; ASTM D256 Condition E-48/50

Electrical Properties	Original Value	Comments
Dielectric Constant	5.35 @Thickness 12.7 mm, Frequency 1e+6 Hz	ASTM D150 Condition D-24/23
Dielectric Breakdown	64000 V @Thickness 12.7 mm	ASTM D149 Condition A
Dissipation Factor	0.072 @Thickness 12.7 mm, Frequency 1e+6 Hz	ASTM D150 Condition D-24/23

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

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PNORPM044 / 192801

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