Norplex-Micarta NP842 Paper Base Laminate

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Norplex-Micarta NP842 Paper Base Laminate (discontinued **)
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Description: Paper reinforced phenolic grade with controlled conductivity. Mechanical strength similar to NP611. NP842 is semi-conductive on the surfaces and through the laminate. Thickness Tested: 0.062", 0.125" & 0.500".
Key Words:	Micarta
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	1.35 - 1.40 g/cc @Thickness 1.57 mm	ASTM D792
Moisture Absorption at Equilibrium	1.0 % @Thickness 1.57 mm	ASTM D229

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	90 - 110 @Thickness 1.57 mm	ASTM D785
Tensile Strength, Yield	16000 psi @Thickness 1.57 mm	CW; ASTM D638
	20000 psi @Thickness 1.57 mm	LW; ASTM D638
Modulus of Elasticity	900 ksi @Thickness 1.57 mm	CW; ASTM D229
	1000 ksi @Thickness 1.57 mm	LW; ASTM D229
Flexural Strength	15000 psi @Thickness 1.57 mm	CW; ASTM D790
	21000 psi @Thickness 1.57 mm	LW; ASTM D790
Compressive Strength	32000 psi @Thickness 12.7 mm	ASTM D695
Shear Strength	11200 psi @Thickness 15.7 mm	ASTM D732
Izod Impact, Unnotched	0.450 ft-lb/in @Thickness 12.7 mm	CW, Cond E-48/50; ASTM D256
	0.550 ft-lb/in @Thickness 12.7 mm	LW, Cond E-48/50; ASTM D256

Thermal Properties	Original Value	Comments
CTE, linear	10.0 µm/m-°C @Thickness 1.57 mm, Temperature 20.0 °C	x-axis; IPC-TM 650-2.4.24
CTE, linear, Transverse to Flow	12.0 µm/m-°C @Thickness 1.57 mm, Temperature 20.0 °C	x-axis; IPC-TM 650-2.4.24
Maximum Service Temperature, Air	130 °C
Flammability, UL94	HB @Thickness 1.57 mm

Descriptive Properties
Bond Strength	1200 lb	0.5", ASTM D229
Color	Black

**
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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PNORPN517 / 48102

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