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HYSEALING – Precision Sealing & Thermal Insulation Solutions

Global manufacturer of high-performance gland packing, metal gaskets, expanded PTFE, flexible graphite, and advanced thermal insulation materials for critical industrial applications.

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About HYSEALING

HYSEALING is a trusted global supplier of industrial sealing and insulation solutions. With years of expertise and an in-house manufacturing facility, we deliver high-quality gland packing, gaskets, expanded PTFE, flexible graphite, and thermal insulation products to clients across oil & gas, chemical processing, power generation, and manufacturing sectors.

Our commitment to innovation, quality control, and customer satisfaction ensures that every product meets international standards and performs reliably under extreme conditions.

Own Factory

Global Reach

HYSEALING Manufacturing Facility

Our Products

Comprehensive range of high-performance sealing and insulation materials engineered for durability, chemical resistance, and thermal stability.

PTFE Packing

  • • Pure PTFE construction
  • • Excellent chemical resistance
  • • Low friction coefficient
  • • Temperature range: -200°C to +260°C

Graphite Packing

  • • Flexible expanded graphite
  • • Reinforced with Inconel wire
  • • High thermal conductivity
  • • Resistant to oxidation up to 450°C

Spiral Wound Gasket

  • • Stainless steel + graphite/PTFE
  • • High pressure & temperature rating
  • • API 601 / ASME B16.20 compliant
  • • Ideal for flange sealing

Expanded PTFE Sheet

  • • 100% expanded PTFE
  • • Zero leaching, ultra-pure
  • • Wide chemical compatibility
  • • Used in semiconductor & pharma

Ceramic Fiber Blanket

  • • Alumina-silica composition
  • • Up to 1260°C continuous use
  • • Low thermal conductivity
  • • Excellent thermal shock resistance

Flexible Graphite Roll

  • • Pure expanded graphite foil
  • • Thickness from 0.1mm to 3.0mm
  • • Used in heat exchangers
  • • Excellent conformability

Aramid Fiber Packing

  • • High tensile strength
  • • Spun Kevlar® or Nomex®
  • • Resistant to abrasion & wear
  • • Ideal for pumps & valves

Gasket Cutter Machine

  • • Precision cutting for gaskets
  • • Double-knife system
  • • For spiral wound & sheet gaskets
  • • Increases production efficiency
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Why Choose HYSEALING?

Own Manufacturing Facility

Full control over production quality and lead times with in-house R&D and testing.

Global Compliance

Products meet ISO, API, ASME, and other international industrial standards.

Worldwide Delivery

Reliable logistics network serving clients in North America, Europe, Asia, and beyond.

24/7 Technical Support

Expert assistance available via phone, WhatsApp, WeChat, and email.

500+
Industrial Clients
30+
Countries Served
15+
Years Experience
100%
Quality Tested

Frequently Asked Questions

What materials are used in your PTFE packings?

Our PTFE packings are made from 100% virgin polytetrafluoroethylene, often enhanced with graphite, aramid fibers, or oil for improved performance in specific applications.

Can you customize gaskets to our specifications?

Yes, we offer full customization including size, material composition, pressure ratings, and compliance with international standards. Send us your drawings or samples.

What is the temperature range for flexible graphite products?

Flexible graphite can operate continuously from -200°C to +450°C in oxidizing environments and up to +3000°C in inert atmospheres.

Do you provide technical support for product selection?

Absolutely. Our engineering team provides free technical consultation to help you select the right sealing or insulation solution for your application.

Get in Touch

Reach out for product inquiries, technical support, or custom solutions.

Contact Information

  • Tel: 86-15806559837
  • WhatsApp: +86 15806559837
  • WeChat: +86 15806559837
  • Email: sales@hysealing.com

Visit Our Website

For full product details, catalogs, and company information.

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