Linen Phenolic Laminate

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Linen-based phenolic is a high-quality thermoset plastic featuring a fine-weave texture and excellent wear resistance. Atlas Fibre has over six decades of experience manufacturing and supplying this material and a broad range of other phenolic composites. Explore this material’s construction, properties, benefits, and common uses to discover more.

What Is Phenolic Sheet in Grade L?

Grade L phenolic sheets feature multiple layers of linen fused together. These layers contain phenolic resins that undergo polymerization when exposed to heat and pressure. The result is a durable, lightweight material perfect for manufacturing many end-use goods.

Technical, mechanical, and physical properties* of linen-base phenolic include:

  • Tensile strength: 35,000 pounds per square inch (psi) [241 megapascals (MPa)]
  • Flexural strength – LW -A 0.125″: 23,000 psi (158 MPa)
  • Compressive strength: 14,000 psi (96 MPa)
  • Specific gravity: 1.35
  • Maximum temperature: 125° Celsius (257° Fahrenheit)
  • Bond strength: 1,700 psi (11 MPa)
  • Shear strength: 13,500 psi (93 MPa)
  • Izod impact strength at 49°C – LW: 1.7
  • Water absorption — 24 hours: 1.04
  • M-scale hardness: 105
  • Flammability rating: 94HB

*Atlas Fibre LLC provides this data as information only and does not imply any warranty for its use or application. Test results for a specific sheet or lot are available for a fee upon request.

Fabricating With Grade L Phenolic

Grade L phenolic is readily machinable with traditional shop tools. Atlas Fibre carries various sizes of sheets, rods, and tubes to meet your unique application needs.

Advantages of Linen-Base Phenolic

One of the primary advantages of our L phenolic is its tight weave, which produces superior surface textures for intricate and small components. Many manufacturers also turn to our material as a solution because it offers:

  • Compliance with MIL-I-24768/15 (FBI) and NEMA L
  • High machinability
  • Excellent strength and stiffness
  • Electrical properties
  • High dimensional stability
  • Superior mechanical properties
  • Quieter machining than metal and less abrasiveness than fiberglass
  • Good moisture resistance

Typical Applications for Linen Phenolic Material

This material is ideal for applications like:

  • Spacers
  • Electrical insulating components
  • Radio parts
  • Bushings
  • Rollers
  • Pinions
  • Gears
  • General mechanical applications

Order a Quote on Grade L Phenolic From Atlas Fibre

Atlas Fibre has been helping businesses throughout North America improve their products with lighter-weight, more reliable, and longer-lasting thermoset materials for over 65 years. We create and carry the continent’s largest selection, with over $8 million in inventory and ready for same-day shipment.

As a market-leading thermoset manufacturer, our teams have unmatched product knowledge to help you identify the best one for your applications. We’re also here with expert answers to any question you may have about grade L phenolic or any of our other solutions.

Connect with us online for details and custom quotes, or place your email address below to receive the data sheet.

Download L Data Sheet

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