Norplex-Micarta NP318U Phenolic Cotton Laminate Sheet, 0.250" Thickness

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Norplex-Micarta NP318U Phenolic Cotton Laminate Sheet, 0.250" Thickness
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Post-forming canvas phenolic material. NP318U’s mechanical and electrical properties are similar to NP310E. It is made from a cotton fabric weighing more than 4 ounces per square yard and having a thread count of not more than 70 threads per inch in both the warp and filler directions. The binder is a modified phenolic resin system, which permits the material to be heated, formed into a shape and cooled under restraint to hold the newly formed shape. Information provided by Norplex-Micarta
Key Words:	Post-forming canvas
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 g/cc @Thickness 6.35 mm	(0.25" thickness); ASTM D792
Moisture Absorption	3.60 % @Temperature 23.0 °C, Time 86400 sec	ASTM D570 Cond. D
Thickness	125 mil	As Tested

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	90 @Thickness 3.17 mm	ASTM D785
Tensile Strength	9000 psi @Thickness 3.17 mm	CrossWise; ASTM D638 Condition A
	9600 psi @Thickness 3.17 mm	LengthWise; ASTM D638 Condition A
Flexural Strength	17200 psi @Thickness 3.17 mm	CrossWise; ASTM D790 Condition A
	19300 psi @Thickness 3.17 mm	LengthWise; ASTM D790 Condition A
Compressive Strength	36000 psi @Thickness 3.17 mm	Flatwise; ASTM D695 Condition A
Shear Strength	12300 psi @Thickness 3.17 mm	Perpendicular; ASTM D732 Condition A
Izod Impact, Notched	2.90 ft-lb/in @Thickness 3.17 mm	CrossWise; ASTM D256 Condition E-48/5
	5.10 ft-lb/in @Thickness 3.17 mm	LengthWise; ASTM D256 Condition E-48/50

Electrical Properties	Original Value	Comments
Dielectric Strength	30.0 V/mil @Thickness 3.17 mm	Perpendicular; ASTM D149 Condition D-48/50
	205 V/mil @Thickness 3.17 mm	Perpendicular; ASTM D149 Condition A
Dielectric Breakdown	4000 V @Thickness 3.17 mm	Parallel; ASTM D149 Condition D-48/50
	28400 V @Thickness 3.17 mm	Parallel; ASTM D149 Condition A
Arc Resistance	120 sec @Thickness 3.17 mm	ASTM D495 Conition A

Thermal Properties	Original Value	Comments
Flammability, UL94	HB @Thickness 3.17 mm

Descriptive Properties
Max Bendability	85°	Both Lengthwise and Crosswise
Max Spring Back	15°	Both Lengthwise and Crosswise

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