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When flange surfaces are worn, irregular, or difficult to seal, traditional cut gaskets can increase installation time and create opportunities for leaks. Durlon® Sealing Tape provides a flexible, form-in-place sealing solution that conforms to imperfect flange surfaces while delivering reliable performance across demanding industrial applications. Backed by Capital Rubber’s technical expertise and responsive service, you get more than a product—you get the right sealing solution for your application. Product specifications referenced from the Durlon Joint Sealant technical sheet.

Common Industrial Sealing Challenges

Industrial operations depend on reliable flange sealing to maintain uptime, reduce maintenance costs, and protect equipment. However, many facilities encounter challenges such as:

  • Worn or damaged flange faces
  • Irregular flange dimensions
  • Chemical compatibility concerns
  • High-temperature and pressure applications
  • Time-consuming gasket fabrication and inventory management

Selecting the wrong sealing material can lead to costly leaks, unnecessary downtime, and increased maintenance expenses.

Why Choose Durlon® Sealing Tape?

Durlon® Sealing Tape is a 100% pure expanded PTFE gasket material designed as a highly fibrillated, form-in-place sealant for gasketed joints. Supplied on convenient spools with a high-quality adhesive backing, it simplifies installation while providing excellent sealing performance on virtually any flange size.

Unlike conventional sheet gaskets, Durlon Sealing Tape conforms to flange irregularities without depending on precise gasket dimensions, making it an excellent choice for maintenance, repair, and field applications.

Key Features

  • 100% pure expanded PTFE construction
  • Flexible, compressible design conforms to worn flange surfaces
  • High-quality adhesive backing for easier installation
  • Chemically inert with excellent chemical resistance
  • Resists creep relaxation for long-term sealing performance
  • FDA compliant for food and drug contact applications (21 CFR 177.1550)
  • RoHS and REACH compliant
  • Temperature range:
    • -450°F to 500°F (-268°C to 260°C)
  • Maximum pressure:
    • 2,900 PSI (200 bar)
  • Suitable across a pH range of 0–14 at room temperature

Applications & Industries

Durlon Sealing Tape is well suited for demanding sealing applications including:

  • Chemical processing
  • Petrochemical facilities
  • Food & beverage processing
  • Pharmaceutical manufacturing
  • Marine applications
  • Water treatment systems
  • General industrial maintenance
  • OEM equipment
  • Plant shutdowns and repairs

Its ability to seal damaged or uneven flanges makes it especially valuable during maintenance projects where minimizing downtime is critical.

The Capital Rubber Solution

Choosing the right sealing material is only part of the equation. Successful sealing applications require product knowledge, application expertise, and dependable support.

Capital Rubber helps customers solve sealing challenges by providing:

  • Technical assistance with gasket and sealing material selection
  • Access to premium industrial sealing products
  • Fast response and dependable product availability
  • Experienced customer support focused on reducing downtime
  • Industrial solutions tailored to your application—not just product sales

Whether you’re replacing an existing gasket, troubleshooting recurring leaks, or specifying sealing materials for a new project, Capital Rubber works with your team to identify the most effective solution.

Explore our industrial sealing solutions:

Frequently Asked Questions

What is Durlon® Sealing Tape made from?

Durlon Sealing Tape is manufactured from 100% pure expanded PTFE, providing exceptional chemical resistance, flexibility, and long-term sealing performance.

When should I use sealing tape instead of a traditional gasket?

Sealing tape is ideal when flange surfaces are worn, irregular, oversized, or difficult to match with standard cut gaskets. Its form-in-place design adapts to varying flange dimensions while simplifying installation.

Is Durlon Sealing Tape suitable for food processing applications?

Yes. Durlon Sealing Tape conforms to FDA 21 CFR 177.1550 requirements for food and drug contact and is also RoHS and REACH compliant.

What temperature and pressure can Durlon Sealing Tape withstand?

Durlon Sealing Tape is rated for temperatures from -450°F to 500°F (-268°C to 260°C) and pressures up to 2,900 PSI (200 bar), making it suitable for a wide variety of industrial applications.

Contact Us Today

When sealing reliability is critical, Durlon® Sealing Tape offers a dependable PTFE solution designed to handle challenging flange conditions while reducing installation complexity. Combined with Capital Rubber’s technical expertise, responsive service, and broad industrial product offering, you gain a trusted partner committed to keeping your operation running efficiently.

Need help selecting the right sealing solution?

Contact Capital Rubber today:

👉 https://capital-rg.singertmp.fantasktic.com/contact-us

Explore our industrial products:

👉 https://capital-rg.singertmp.fantasktic.com/products/

Or contact our team to discuss your application and find the right sealing solution for your operation.

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