Canvas Phenolic Data Sheet

||Canvas Phenolic Data Sheet
Canvas Phenolic Data Sheet2017-10-18T13:59:19+00:00

Canvas Grades C and CE, also known as NEMA C or CE are Canvas Cotton-Cloth Reinforced Phenolics.  Canvas Phenolic grades are composed of a continuous cotton woven cloth, impregnated with a phenolic resin binder.  They are commonly used for electrical insulators and printed circuit boards, among other uses.

  • Color: Light tan to brown
  • Grade C certifies to Mil-I-24768/16 FBM
  • Grade CE certifies to Mil-I-24768/14 FBG
Mechanical ASTM Test Method Grade C Phenolic Grade CE Phenolic Units
Strength to Weight Ratio - - - ksi
Specific Gravity @73 F D792 1.35 1.35 -
Tensile Strength @73 F, (ult)/(yld) D638 9,500 (ult) 9,500 (ult) psi
Tensile Modulus of Elasticity @73 F D638 - - psi
Tensile Elongation at Break @73 F D638 - - %
Flexural Strength @73 F D790 17,000 17,000 psi
Flexural Modulus of Elasticity @73 F D790 950,000 950,000 psi
Shear Strength @73 F D732 11,500 11,500 psi
Comprehensive Strength, (% Deformation) @73 F D695 37,000 (10) 37,000 (10) psi
Comprehensive Modulus of Elasticity @73 F D695 - - psi
Hardness, Rockwell, Scale as noted @73 F D785 (M104) (M104) -
Hardness, Durometer, Shore D @73 F D2240 - - -
Izod Impact, (Notched) @73 F D256 Type A 3.2 2.3 ft-lb/in of notch
Coefficient of Friction, (Dry vs Steel) Dynamic - - - -
Limiting PV, (with 4 to 1 factor of safety applied) - - - psi-ft/min
Thermal ASTM Test Method Grade C Phenolic Grade CE Phenolic Units
Coefficient of Linear Thermal Expansion @73 F E-831 (TMA) - - in/in/F
Heat Deflection Temperature @264 psi D648 - - F
Tg-Glass transition termperature, (Amorphous) D3418 - - F
Melting Point, (VS=Vicat Softening Temp.) D3418 - - F
Continuous Service Temperature in Air, (Max.) - 265 265 F
Thermal Conductivity - - - BTU-in/hr-ft2-F
Electric ASTM Test Method Grade C Phenolic Grade CE Phenolic Units
Dielectric Strength, Short Term D149 150 360 Volts/mil
Volume Resistivity D257 - - ohm-cm
Dielectric Constant @10E6 Hz D150 - 5.8 -
Dissipation Factor @10E6 Hz D150 0.1 0.055 -
Flammability @3.1 mm unless noted UL94 HB HB -
H2O ASTM Test Method Grade C Phenolic Grade CE Phenolic Units
Water Absorption, Immersion, 24 hours D570(7) 1.2 0.75 % by weight
Water Absorption, Saturation D570(7) - - % by weight