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Phenolics are the result of polymerization between layers of paper, canvas, linen, or glass cloth impregnated with synthetic thermosetting resins. These industrial laminates are a popular alternative to acrylic, because of its high resistance to flexing.
The base material (paper, linen cotton, cotton canvas, or glass cloth) and resin combination used is dependent upon the intended application of the finished product. Physical strength, resiliency, ease and versatility of fabrication, and excellent electrical properties make phenolics useful as support components in a wide range of mechanical and electrical applications.
L/LE Cotton Linen Base Phenolic: Fine weave cotton linen and, like canvas phenolic, is known for it’s mechanical properties. The finer weave allows better machinability than provided by the “C” and “CE” grades. The “LE” grade has better electrical properties than the “L” grade. This grade is not recommended for primary insulation. Linen-based phenolics with enhanced mechanical properties are available in a variety of sheet, rod, and tube sizes.
Certifies to NEMA L per MIL-I-24768/15 TYPE FBI; NEMA LE per MIL-I-24768/13 TYPE FBE
Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.
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Phenolics, Cotton Linen Reinforced
Sheet, Rod, Tube
NEMA L per MIL-I-24768/15 TYPE FBI; NEMA LE per MIL-I-24768/13 TYPE FBE
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|Sheet||0.03″-10″ TH||Up to 48″ x 96″; CTS||Natural, Black|
|Rod||1/16″ – 6″ DIA||Std. foot lengths; CTS||Natural, Black|
Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.
|Water Absorption, 24 hrs||%||D570||1.8|
|Tensile Strength – Lengthwise||psi||D638||13000|
|Tensile Strength – Crosswise||psi||D638||9000|
|Flexural Strength – Lengthwise||psi||D790||22000|
|Flexural Strength – Crosswise||psi||D790||16000|
|Flexural Modulus – Lengthwise||psi||D790||1600000|
|Flexural Modulus – Crosswose||psi||D790||1200000|
|Hardness, Rockwell R||D785||M100|
|IZOD Impact Strength Notched – Lengthwise||ft-lb/in||D256||1.35|
|IZOD Impact Strength Notched – Crosshwise||ft-lb/in||D256||1.1|
|Coefficient of Linear Thermal Expansion – Lengthwise||(x 10⁻⁵in./in./°F)||D696||1|
|Coefficient of Linear Thermal Expansion – Crosswise||(x 10⁻⁵in./in./°F)||D696||1.06|
|Max Operating Temp||°F||285|
|Flammability Rating||UL94||H – B|
|Dielectric Strength, 1/8″ th.||V/mil||D149||625 (LE)|
|Dielectric Constant @ 1 MHz||D150||6|
|Dissipation Factor @ 1 MHz||D150||0.045|
NOTE: The property values presented above 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.
NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-862-4148.