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Phenolic

Phenolic is a hard, dense material made by applying heat and pressure to layers of paper or glass cloth impregnated with synthetic resin. These layers of laminations are usually of cellulose paper, cotton fabrics, synthetic yarn fabrics, glass fabrics or unwoven fabrics. When heat and pressure are applied to the layers, a chemical reaction (polymerization) transforms the layers into a high-pressure thermosetting industrial laminated plastic.

  • Canvas Phenolic (CE)
    Phenolic
    A course weave cotton fabric base phenolic laminate with greater mechanical strength than Grade XXX. Grade CE is strong, tough, and has high impact strength. It machines readily, and is excellent for a variety of mechanical applications such as gears, pulleys, sheaves, insulators, bushings, washers, and rollers.

  • Glass Expoxy Phenolic (G-10FR4)
    Phenolic
    A continuous woven glass fabric laminated with an epoxy resin. This grade is extremely high in mechanical strength, has low water absorption and dissipation factors and has superior electrical characteristics, which are exhibited over a wide range of temperatures and humidities. Grade G-10 is used for terminal boards, washers, sleeves, structural components, and parts where the strength to size ratio is critical.

  • Glass Melamine Phenolic (G-9)
    Phenolic
    A continuous woven glass fabric laminated with a melamine resin. Grade G-9 has good mechanical properties plus high resistance to flame, heat, arcing, and most strong alkali solutions. It is recommended for use where good mechanical properties are needed under wet conditions. Grade G-9 is used for switchboard panels, arc barriers, structural electrical parts, specialty terminal blocks and circuit breaker components.

  • Glass Silicone Phenolic (G-7)
    Phenolic
    A continuous glass fabric laminated with a silicone resin. Grade G-7 is unequalled for high heat and arc resistance applications, and where good mechanical and electrical properties must be exhibited in humid conditions in excess of 400 degreesF.

  • High Temp Glass Epoxy (G-11)
    Phenolic
    A grade similar in composition and properties to Grade G-10 but more suitable for continuous use at elevated temperature. G-11 retains at least 50% of its structural strength at continuous operating temperatures in excess of 300 degreesF. Due to its high cost, G-11 applications are limited to only the most critical high heat situations.

  • Linen Phenolic (LE)
    Phenolic
    A fine weave cotton fabric base phenolic laminate which provides a finer surface texture and better machinability than Grade CE. Grade LE is low in moisture pick-up and dissipation factor, and is excellent in all electrical properties. It can be machined easily and cleanly to very close tolerances, and is recommended for use where there is need for good mechanical properties combined with excellent electrical characteristics. Applications for Grade LE include intricate machined parts, radio components, fine gears and pinions, spacers, bushings and rollers.

  • Paper Phenolic (XXX)
    Phenolic
    A paper base phenolic laminate with good mechanical properties, high dielectric strength, and good resistance to moisture. Grade XXX is our most economically priced grade and is recommended for most mechanical applications, for use at radio frequencies, and in high humidity situations. Typical applications include insulating washers, sleeves, switch bases and panelboards.

NOTE: The information contained herein are intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. It is given without obligation or liability. Contact us for manufacturers' complete material property datasheets.

Customer Service Agent  Need help selecting the right plastic for your specific requirement? Call us today at (800) 326-3376.

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