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Material Information

Phenolics are thermoset resins formed by the polymerization of phenol and formaldehyde, which can then be impregnated with cotton canvas or linen, paper, or glass cloth materials to form industrial laminates. Overall, industrial laminates are dense, strong and durable, moisture resistant, lightweight, and will not soften when heat is reapplied. Typically they have high mechanical and insulating properties. Grade CE Phenolic is made up of a mixture of phenolic resin and medium weave cotton cloth fabrics. This blend provides good wear resistance, low moisture absorption, and good mechanical strength. Grade CE Phenolic’s canvas base makes it stronger and tougher than the paper based phenolics. It is highly machinable which makes it ideal for a variety of mechanical applications. It also has good moisture resistance and high impact strength. Unlike Grade C Phenolic, Grade CE Phenolic has good electrical properties. However, it is not recommended for primary electrical insulation. It is available in plate, rod, and tube. CE Phenolic meets MIL-I-24768/14 TYPE FBG


  • Structural supports
  • Piston rings
  • Gears
  • Spacers
  • Bearings
  • Pulleys
  • Rollers
  • Sheaves
  • Insulators
  • Bushings
  • Washers


  • Easy to machine
  • Low cost
  • Good wear resistance
  • Low moisture absorption
  • Good mechanical strength
  • Strong and stiff
  • High impact and compressive strength
  • Excellent moldability/stability
  • Good water and chemical resistance
  • Good electrical properties


PhysicalAstm Test MethodPaperCanvasLinen
Density (lb/in^3)D7920.0490.050.048
Specific GravityD7921.351.371.34
Water Absorption @ 24 hours (%)D57022.51.8
Tensile Strength (PSI) Lengthwise, CrosswiseD63815,000 and 12,00011,000 and 9,00013,000 and 9,000
Flexural Strength (PSI) Lengthwise, CrosswiseD79016,000 and 13,20017,500 and 15,00022,000 and 16,000
Compressive Strength (PSI)D69532,00037,00037,000
Flexural Modulus (KPSI) Lengthwise, CrosswiseD7901,100.000 and 900.0001,600,000 and 1,500,0001,600,000 and 1,200,000
Izod Impact (Notched), ft-lb/in Lengthwise, CrosswiseD256.65 and .601.70 and 1.501.35 and 1.10
Rockwell HardnessD785M100M100M110
Coefficient of Thermal Expansion,
10^-5/°F Lengthwise, Crosswise
D696.80 and 1.201.10 and 1.221.00 and 1.060
Continous Service Temp (Operating), °F257257285
Thermal Conductivity, BTU-in/hr-ft² °FC1772.032.032.03
Flammability RatingUL94HBHBHB
Dielectric Strength, Short Term,
(Volts/Mil) @ .125″ Thick
D149750 (XX)550 (CE)625 (LE)
Arc Resistance (sec)D4951101515
Dielectric Constant at 1 MHzD150556
Dissipation Factor at 1 MHzD1500.0450.045

Disclosure: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.


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