Here at National Plastics & Seals, we offer our expertise in industrial plastics to a wide range of industries. Our commitment to you, as our partner, is to continually expand into new industries and improve within the current industries we influence.

Here are some industries we are currently paving new roads in:

  • Aerospace
  • Agriculture
  • Alternative Energy
  • Automotive
  • Building and Construction
  • Pharmaceutical
  • Point of Purchase
  • Recreation
  • Semiconductor
  • Signage
  • Transportation
  • Water and Wastewater

Aerospace & Military Industry

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With over 39 years of industry experience, National Plastics & Seals is a leading manufacturer of custom CNC machined plastic parts for military and aerospace applications. We offer a broad range of high-quality products, including aircraft interior plastics.

The components used in aircraft and spacecraft construction are both fragile and complex. Connectors, terminators, and circuit boards need protection from ultraviolet light, dust, and chemicals. Professional heat shrink products provide essential protection from moisture, strain, and abrasion of crucial cables and wires.

The aerospace and military industries demand strict adherence to unique requirements for manufacturing components and materials used in specific applications. Various types of industrial plastics can be used to meet these stringent specifications, with each plastic offering distinct properties and advantages.

We supply the aerospace and military industries with the following materials to construct various parts and components:

PEEK

A flame-retardant, high-performance plastic with excellent chemical resistance and mechanical properties. PEEK is suitable for harsh environments and ideal for applications concerned with fire safety.

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Polycarbonate

A lightweight, high-performance plastic with excellent transparency and impact resistance. The material is a good choice for applications requiring total visibility.

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Nylon

A versatile, solid plastic that is both durable and lightweight. Nylon offers good resistance to chemicals and abrasion and is an ideal solution for demanding environments.

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Polyetherimide (PEI)/ULTEM

A high-performance plastic with excellent thermal and mechanical properties.

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Torlon

A flame-retardant, high-performance plastic with excellent chemical resistance and mechanical properties. Torlon is often used in harsh environments.

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Polytetrafluoroethylene (PTFE)

A fluoropolymer often used to provide a non-stick coating. Teflon is resistant to heat and chemicals and is a good choice for applications requiring non-stick properties.

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Polysulfone

A versatile engineering plastic often used in aerospace and military applications due to its thermal stability, high strength-to-weight ratio, and chemical resistance.

Medical Industry

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National Plastics & Seals is the go-to source for precision-machined parts designed for the medical industry. Our top-quality plastics provide long-lasting, durable performance while meeting the stringent requirements of this industry.

Medical-grade heat shrink tubing is constructed without heavy metals and is ideal for covering medical instruments and devices of varying diameters. Often made of polysulfone or Udel®, the flame-retardant, durable heat shrink tubing comes in various colors and styles and offers excellent chemical, physical, and electrical properties.

Here is an overview of the most common plastics we supply to the medical industry:

  • Polysulfone (Udel®)

    Polysulfone (Udel®)

    A polyether-containing polymeric material that has a high melting point, good mechanical properties, and resistance to solvents, chemicals, and heat. It can withstand harsh environments and resist prolonged hydrolysis, making it ideal for medical sterilization and fluid-handling applications.

  • 5% Boron-Filled HDPE

    5% Boron-Filled HDPE

    A reliable, innovative material that can substitute lead shielding materials in X-ray applications. 5% boron-filled HDPE is also lighter and more cost-effective than lead.

  • Polyetherimide (Ultem®)

    Polyetherimide (Ultem®)

    A unique thermoplastic offering superior durability, chemical resistance, and performance compared to other medical plastics. Ultem® is well-suited for healthcare applications requiring temperature stability.

  • PEEK

    PEEK

    This biocompatible material offers excellent flexibility and strength and is often used instead of metal for dental implants and hip replacements.

Oil & Gas Industry

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National Plastics & Seals has extensive experience working with the oil and gas industry, with capabilities that include fabricating and machining plastic components for a wide array of applications.

One of our key products is heat shrink tubing, which is necessary in the oil and gas industry for securely insulating and splicing sensitive wiring in harsh environmental conditions. Our heat shrink tubing is renowned for its purity, mechanical strength, and thermal resistance of up to 500 °F (260 °C). We also provide customizable stock products such as sheets, rods, tubing, and rubber components.

  • HDPE

    Polyethylene based materials are suitable for a variety of environments. They are chemically resistant, have a low coefficient of friction, act as non abrasive wear surfaces and have excellent impact properties.

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  • PVC

    Polyvinyl chloride (PVC) is one of the most popular plastics on the market. It is very resistant to chemicals and corrosion and is used in pipes, cable and wire arrays, and roofing materials, among many other applications.

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  • PP

    A type of polyolefin, polypropylene is a hard non-toxic plastic that is highly resistant to chemicals and microbial growth. It is typically used in process piping and plumbing fixtures.

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  • PC

    Tougher than acrylic, polycarbonate is highly resistant to impacts and extreme temperatures.

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  • PEI

    Polyetherimide (PEI), also known as Ultem®️, is an engineering plastic with exceptional mechanical strength, excellent electrical insulating properties, and resistance to a variety of chemicals.

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Food & Beverage Industry

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National Plastics & Seals provides the food and beverage industry with plastic fabrication for various food processing products and parts using food-grade and agricultural plastics. We offer heat-shrinkable sleeving and high-performance fluoropolymer tubing for food and beverage applications. The unique properties of these materials set them apart from PE, PVC, and other general-purpose plastics.

The primary advantages of using our food and beverage plastic fabrications include:

Ease of Fabrication
Ease of fabrication
Excellent Wear and Bearing Characteristics
Excellent wear and bearing characteristics
A Lightweight Alternative to Metal
A lightweight alternative to metal
Quality Assurance
Quality assurance
FDA-compliant Grades for Safe Contact with Food
FDA-compliant grades for safe contact with food

Common materials for applications in this industry include:

Marine Industry

Polyolefin heat shrink tubing provides a durable, waterproof seal against common marine elements such as sunlight, salt, acids, oil, and water. These industrial plastics also effectively meet the demands of various marine applications:

  • High-Density Polyethylene (HDPE)

    Marine-grade HDPE is environmentally stabilized to withstand extreme outdoor environments. It is often used for doors, rails, docks, steps, frames, and more.

  • Acrylic/Polycarbonate

    This material offers impact strength and optical clarity, making it ideal for hatches, windshields, and boat windows.

Automotive Industry

Our automotive plastics typically consist of the following materials:

Automotive electrical systems rely on automotive heat shrink tubing to shield electrical components in the following areas of the vehicle:

  • Acoustical systems
  • Air conditioning systems
  • Central locking systems
  • Dashboards
  • Lighting systems
  • Windshield wiper systems

Building & Construction Industry

Plastics in construction and building applications consist of the following:

Acrylic/Polycarbonate
Acrylic/Polycarbonate

This material can be customized to fit any size and is often used to create dividers, patio covers, outdoor furniture, glazing, barriers, and skylights. From our Naples, FL, facility, National Plastics & Seals can produce building skylights using acrylic/polycarbonate.

High-Density Polyethylene (HDPE)
High-Density Polyethylene (HDPE)

Commonly used for outdoor furniture, bathroom partitions, and other barriers.

Polyethylene heat shrink material
Polyethylene heat shrink material

We also produce PE heat shrink materials to protect components and structures in weatherization and other environmental containment uses.

Contact National Plastics & Seals

National Plastics & Seals is an industry-leading manufacturer and supplier of precision machined and fabricated industrial plastics. Since 1985, we have built our reputation of meeting customer demands with reliability, quality, and competitive pricing. We also offer unsurpassed technical support and customer service to ensure total satisfaction.

Request a quote today to get started on your industrial plastic solution.