Fiberglass Sleeves and Electrical Insulation
National Plastics and Seals is proud to be an industry leader in electrical insulation and fiberglass sleeve distribution. We provide fiberglass sleeving to meet clients’ specific UL, CSA, and/or temperature class rating requirements.
Value Added Services
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The Features and Benefits of Fiberglass Sleeves
Fiberglass sleeves serve as an easy, affordable alternative to heat-shrink tubing. Fiberglass solutions are engineered to fit comfortably over wire and cable without requiring initial shrinking to size through the use of heat. Fiberglass sleeving offers a range of unique benefits, including its ability to be resin-saturated or heavyweight braided, meaning it will not burn, melt, or become brittle. It’s also cut-through and abrasion-resistant, but can be easily cut with scissors, making it easy to install.
There’s minimal dusting when fiberglass sleeves are cut and handled, and they easily resist gasoline and engine chemicals. Fiberglass sleeving is also resistant to extremely high temperatures; therefore, it’s commonly used as thermal protection for items such as wires, cables, and hoses that are continuously subjected to harsh environments, such as those found in engine manifolds and exhaust systems.
Extremely tough and durable, fiberglass sleeving is able to maintain its structure under extreme vibration, abrasion, mechanical stress, and temperature variations. It’s used in a variety of applications to deflect or retain heat in conditions reaching 1,200 °F.
Fiberglass Sleeving Customization Options
Fiberglass sleeving offers endless customization options. It can be supplied as heated-treated fiberglass, vinyl-coated fiberglass, modified acrylic-coated fiberglass, silicone rubber-coated fiberglass, thin-wall fiberglass, expandable monofilament, and heat-treated and saturated fiberglass.
Fiberglass sleeving usually comes in muted colors, such as black, white, clear, and natural, a tan hue. It’s typically braided, expandable braided, or knitted, and has usually undergone a heat treating procedure. Sleeving from 0.024 inch to 2.5 inch in diameter is available to meet various sizing needs. And since material is spooled, requests of nearly any length can be easily accommodated.
At National Plastics and Seals, we can handle all types of production volumes, whether clients require orders for a single prototype, very high-volume orders, or blanket orders. Lead times depend on the specific request, but can be quoted on a job-by-job basis, and emergency and rush services are available.
Fiberglass sleeving can be customized for a wide range of industries and environments, including restaurants, retail stores, hospitals, machining, aerospace, transportation, heavy equipment, iron and steel, and wastewater. Specific uses include motor insulation, generator and appliance leads, welding equipment, alternator and starter applications, thermal insulation on oxygen sensors, heating elements, lighting fixtures, robotics, and ignitor and component leads.
The team at National Plastics and Seals is proud to be a leader in the distribution of electrical insulation and fiberglass sleeve solutions. Able to withstand extreme temperatures and easy to install, fiberglass sleeves provide tough, reliable solutions for a wide range of applications while easily maintaining their structure.
Committed to quality and constant improvement, National Plastics and Seals has achieved Six Sigma certification (Yellow Belt, Green Belt, and Black Belt), and adheres to lights out manufacturing, lean manufacturing, and Kaizen/5S principles. We also adhere to various industry standards, including those set forth by the American Society of Mechanical Engineers, U.S. Department of Transportation, the Federal Aviation Administration, the Food and Drug Administration, and the Society of Automotive Engineers.
To learn more about our electrical insulation and fiberglass sleeve solutions, reach out to the team today.