Glass-Reinforced Epoxy: G-10, FR-4 & G-11

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Lamitex glass epoxy material maintains high mechanical, electrical and thermal strength at elevated & cryogenic temperatures

  • Lamitex G-11 tubing meets Mil-I-24768/3.
  • Lamitex G-10/FR-4 tubing meets Mil-I-24768/2. Curious about the difference between G10 & FR4? Check out our Technical Blog on the topic!
  • Lamitex G-10/FR-4 tubing is UL listed.
  • Lamitex G10/FR-4 has excellent electrical insulation and chemical resistance properties.
  • We specialize in machining these materials, and have 5th-axis capabilities.
  • Lamitex grade G-10 & G11 CR are often used for thin walled cryogenic applications.
  • All glass based tubes available in standard 48" trimmed lengths and 63" trimmed lengths available upon request.
  • Random lengths not required giving guaranteed yields
  • Heavy walled glass/epoxy tubes in all grades available for demanding applications.
  • Small diameters available (from .118" inside diameter up to large 49.2" inside diameter).
  • Regularly produce large and small quantity orders.
  • Franklin maintains a full line of CNC lathes and turning centers to produce high quality fabricated parts from glass epoxy tubing.  Common component parts are adapter tubes, anti-static bolt sleeves, actuators, high-temperature insulators, neck tubes and many other applications
Lamitex G10, FR4, G11 & FR5 are glass reinforced composites with specialized epoxy resin matrices that give them the mechanical, electrical and thermal strengths to work in extreme environments.


These materials are at the very core of our business. Contact one of our experts today!
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