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Industrial Laminates/Norplex NP318 Cotton Fabric

Category Polymer , Thermoset , Phenolic
Manufacturer Industrial Laminates/Norplex
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Industrial Laminates/Norplex NP318 Cotton Fabric.pdf
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Material Notes:
Description: Post-forming canvas phenolic material. Mechanical and electrical properties 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.Thickness Tested: 0.062", 0.125", and 0.500".
Physical Properties Metric English Comments
Specific Gravity 1.30 - 1.40 g/cc

@Thickness 1.57 mm
 1.30 - 1.40 g/cc

@Thickness 0.0620 in
 ASTM D792
Moisture Absorption at Equilibrium 2.0 %

@Thickness 1.57 mm
 2.0 %

@Thickness 0.0620 in
 ASTM D229
Mechanical Properties Metric English Comments
Hardness, Rockwell M 80 - 100

@Thickness 1.57 mm
 80 - 100

@Thickness 0.0620 in
 ASTM D785
Tensile Strength, Yield 41.4 MPa

@Thickness 1.57 mm
 6000 psi

@Thickness 0.0620 in
 CW; ASTM D638
68.9 MPa

@Thickness 1.57 mm
 10000 psi

@Thickness 0.0620 in
 LW; ASTM D638
Modulus of Elasticity 6.21 GPa

@Thickness 1.57 mm
 900 ksi

@Thickness 0.0620 in
 CW; ASTM D229
7.58 GPa

@Thickness 1.57 mm
 1100 ksi

@Thickness 0.0620 in
 LW; ASTM D229
Flexural Strength 96.5 MPa

@Thickness 1.57 mm
 14000 psi

@Thickness 0.0620 in
 CW; ASTM D790
117 MPa

@Thickness 1.57 mm
 17000 psi

@Thickness 0.0620 in
 LW; ASTM D790
Compressive Strength 172 MPa

@Thickness 12.7 mm
 25000 psi

@Thickness 0.500 in
 ASTM D695
Shear Strength 82.7 MPa

@Thickness 15.7 mm
 12000 psi

@Thickness 0.620 in
 ASTM D732
Izod Impact, Unnotched 1.07 J/cm

@Thickness 12.7 mm
 2.00 ft-lb/in

@Thickness 0.500 in
 CW, Cond E-48/50; ASTM D256
1.33 J/cm

@Thickness 12.7 mm
 2.50 ft-lb/in

@Thickness 0.500 in
 LW, Cond E-48/50; ASTM D256
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 125 °C
257 °F
Flammability, UL94 HB

@Thickness 1.57 mm
 HB

@Thickness 0.0620 in
Electrical Properties Metric English Comments
Dielectric Strength 13.8 kV/mm

@Thickness 1.57 mm
 350 kV/in

@Thickness 0.0620 in
 Cond D-48/50; ASTM D229 S.T.
18.9 kV/mm

@Thickness 1.57 mm
 480 kV/in

@Thickness 0.0620 in
 Cond A; ASTM D229 S.T.
Dielectric Breakdown 4000 V

@Thickness 1.57 mm
 4000 V

@Thickness 0.0620 in
 Cond D-48/50; ASTM D229 S/S
65000 V

@Thickness 1.57 mm
 65000 V

@Thickness 0.0620 in
 Cond A; ASTM D229 S/S
Arc Resistance 10 sec

@Thickness 3.17 mm
 10 sec

@Thickness 0.125 in
 ASTM D495
Comparative Tracking Index 150 V

@Thickness 3.17 mm
 150 V

@Thickness 0.125 in
 ASTM D3638
Descriptive Properties Value Comments
Bond Strength 1800 lb
0.5", ASTM D229
Color Black
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