Engineering-Grade Sealing Solutions for Water, Gas & Industrial Piping.

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  •  Hangzhou Forever Plastics Co.,Ltd
Hangzhou Forever Plastics Co.,Ltd
Always On Duty
Engineered Like a Soldier. Tested Like a Guardian.
  • PTFE Tape

    Product Range

    ForeverSeal® PTFE Tape

    Application-engineered thread sealing tapes for water, gas, oxygen, chemical and demanding industrial systems.

    • Aqua™ Seal TapeDrinking water and plumbing systems
    • GasSafe™ Seal TapeNatural gas and LPG connections
    • UltraGas™ Seal TapeOxygen and high-purity gas service
    • ChemGuard™ Seal TapeAggressive chemicals and process piping
    • Industrial™ Seal TapeCompressed air, steam and equipment
    • Xtreme™ Seal TapeTemperature, pressure and vacuum extremes

    Choose by Application

    Where will it be used?

    Start with the operating environment to find the right sealing solution.

    • Water & Plumbing Systems
    • Natural Gas & LPG
    • Oxygen & Specialty Gases
    • Chemical Processing
    • Industrial Equipment & HVAC
    • Extreme Service Conditions

    More Sealing Solutions

    Beyond PTFE Tape

    Complementary products for different installation and maintenance requirements.

    • Thread Sealing Cord
    • Pipe Thread Sealant

    Engineering Resources

    • PTFE Tape Calculator
    • Quality & Certifications
    • Testing & Inspection
    • Technical FAQs

    Project & Supply Support

    Work with ForeverSeal®

    Samples, customization and technical support for project evaluation and long-term supply.

    • Request Samples
    • OEM & Private Label
    • Become a Partner
    • Technical Documents
  • PTFE FILMS

    Sunfilm® Product Range

    PTFE Films & Tapes

    Expanded and skived PTFE films engineered for sealing, insulation, venting and protective applications.

    • Expanded PTFE Wrapping TapeFlexible sealing for flanges and irregular surfaces
    • ePTFE Protective Vent MembranePressure equalization and contamination protection
    • Unsintered PTFE Wrapping TapeConformable tape for demanding seals
    • Skived PTFE FilmThin, high-strength film for insulation and liners

    Product guidance

    Match the right film to your job

    Compare expanded and skived PTFE films, check grades and thickness, and choose the right product for sealing, venting or insulation.

  • ABOUT

    Company

    About ForeverSeal®

    A PTFE sealing specialist committed to precision manufacturing, quality and sustainability.

    • About ForeversealCompany profile and capabilities
    • Founder's StoryThe people and vision behind ForeverSeal®
    • Excellence ManufacturingPrecision production and quality systems
    • Sustainable & SafeEnvironmental and safety commitments
    • NewsCompany updates and announcements
    • CertificatesQuality certifications and compliance

    Company confidence

    Verify who you're working with

    Review our story, manufacturing quality, sustainability commitments and certifications before you buy.

  • Support

    Support

    Help & Resources

    Documents, answers and order tools to help you specify, buy and track ForeverSeal® products.

    • File DownloadTechnical documents, catalogs and datasheets
    • FAQAnswers to common sealing and ordering questions
    • Order TrackingCheck production and delivery status

    Self-serve help

    Get answers without waiting

    Download technical documents, look up FAQs and track your order status in one place.

  • R&D Technology
  • Sustainable
  • Contact Us
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Hangzhou Forever Plastics Co.,Ltd
Always On Duty
Engineered Like a Soldier. Tested Like a Guardian.

Foreverseal® Thread Sealing

  • Aqua™ Seal Tape
  • GasSafe™ Seal Tape
  • UltraGas™ Seal Tape
  • ChemGuard™ Seal Tape
  • Industrial™ Seal Tape
  • Xtreme™ Seal Tape
  • Thread Sealing Cord
  • Thread Sealant

Pipe Sealing Applications

  • Water & Plumbing Systems
  • Natural Gas & LPG Systems
  • Oxygen & Specialty Gas Systems
  • Chemical Processing Systems
  • Industrial Equipment & HVAC
  • Extreme Service Conditions

Work With Us

  • Request a Sample
  • OEM & Private Label
  • Become an Authorized Partner
  • Certification Support
  • Bulk & Project Inquiries
  • Tender & Qualification Support

SunFilm® Advanced PTFE Materials

  • Expanded PTFE Wrapping Tape
  • ePTFE Protective Vent Membrane
  • Unsintered PTFE Wrapping Tape
  • Skived PTFE Film
  • Material Sample Request
  • Custom Material Inquiry

Company & Resources

  • About Foreverseal
  • Founder's Story
  • Manufacturing Capability
  • R&D & Technology
  • Quality & Certifications
  • Sustainability & Safety
  • Exhibitions
  • Catalogues & Downloads
  • FAQs
  • Technical Blog
  • Order Tracking
  • Contact Us
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