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Norplex-Micarta NP310HT Phenolic Cotton Laminate Sheet, NEMA C
Categories: Polymer; Thermoset; Phenolic

Material Notes: Canvas machining grade for structural and mechanical applications. NP310HT has better impact strength than phenolic paper grades. It meets the requirements of MIL-I-24768/16 and is designed to meet GE specification A19B15B1.

Information provided by Norplex-Micarta

Key Words: Cotton, Phenolic, Micarta, NEMA C, MIL-I-24768/16-FBM, ASTM D709 Type II Grade C
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.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.37 g/cc
@Thickness 12.7 mm
1.37 g/cc
@Thickness 0.500 in
ASTM D792
Moisture Absorption 3.40 %
@Thickness 1.57 mm
3.40 %
@Thickness 0.0620 in
ASTM D570 Condition A
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 100
@Thickness 6.35 mm
100
@Thickness 0.250 in
ASTM D785
Flexural Strength  124 MPa
@Thickness 1.57 mm
18000 psi
@Thickness 0.0620 in
LengthWise; ASTM D790 Condition A
 124 MPa
@Thickness 1.57 mm
18000 psi
@Thickness 0.0620 in
CrossWise; ASTM D790 Condition A
Flexural Modulus  16.5 GPa
@Thickness 1.57 mm
2400 ksi
@Thickness 0.0620 in
CrossWise; ASTM D790 Condition A
 17.2 GPa
@Thickness 1.57 mm
2500 ksi
@Thickness 0.0620 in
LengthWise; ASTM D790 Condition A
Compressive Strength 241 MPa
@Thickness 12.7 mm
35000 psi
@Thickness 0.500 in
Flatwise; ASTM D695 Condition A
Izod Impact, Unnotched  1.08 J/cm
@Thickness 12.7 mm
2.02 ft-lb/in
@Thickness 0.500 in
CrossWise; ASTM D256 Condition E-48/50
 1.25 J/cm
@Thickness 12.7 mm
2.35 ft-lb/in
@Thickness 0.500 in
LengthWise; ASTM D256 Condition E-48/50
 
Electrical PropertiesMetricEnglishComments
Dielectric Strength 20.7 kV/mm
@Thickness 1.57 mm
527 kV/in
@Thickness 0.0620 in
ASTM D149 Condition A
Dielectric Breakdown 55000 V
@Thickness 1.57 mm
55000 V
@Thickness 0.0620 in
ASTM D149 Condition A
 
Thermal PropertiesMetricEnglishComments
UL RTI, Electrical 125 °C257 °FUL Bulletin 746b
UL RTI, Mechanical with Impact 125 °C257 °FUL Bulletin 746b
Flammability, UL94 HB
@Thickness 1.57 mm
HB
@Thickness 0.0620 in
 
Descriptive Properties
Bonding Strength2400[lb]; 0.5"; ASTM D229 Condition D-48/50

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PNORPM028 / 192785

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