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Premium Fire Sleeves for Extreme Environments

Engineered for durability, heat resistance up to 1650°C, and superior protection in aerospace, metallurgy, robotics, and industrial applications.

Aerotype Fire Sleeve
Fire Sleeve Structure

About Great Pack Materials

Beijing Great Pack Materials Co., Ltd is a leading manufacturer of high-temperature resistant sleeves, fire sleeves, heat-resistant casings, and fireproof materials. Located in Beijing, our strategic location ensures convenient aviation and railway transportation for global distribution.

We adhere to quality as the center and customer satisfaction as our eternal pursuit. Our products are fully compliant with ISO quality systems and have passed SGS environmental protection certification and UL Electrical Certification.

80+
Steel Enterprises Served
300+
Distributors Nationwide
20+
Countries Exported To

Industrial Applications

Metallurgical Field

Protect high-temperature equipment in metal smelting and casting processes with sleeves rated up to 1650°C ambient heat.

Robotics

Shield wire harnesses on intelligent robot arms from heat, abrasion, and mechanical stress in automated manufacturing.

Aerospace

Flame-retardant, ozone-resistant, and voltage-resistant sleeves for critical aerospace wiring and tubing systems.

Energy & Chemical

Reliable insulation for pipelines and cables in power plants, petrochemical, and oil & gas environments.

Our Products

High-performance fire sleeves and insulation materials designed for extreme temperatures from -200°C to 1650°C. All products are oil, water, and abrasion resistant.

Fire Sleeve

Fire Sleeve

  • • Withstands 560°C direct continuous heat
  • • Up to 1650°C ambient heat resistance
  • • Oil and water resistant
  • • E-fiberglass braided with silicone coating
Fire Sleeve Velcro

Fire Sleeve Velcro

  • • Hook-and-loop closure for easy installation
  • • Resists hot oil spills and abrasions
  • • Water and oil resistant
  • • Ideal for complex wiring harnesses
Fire Sleeve Tape

Fire Sleeve Tape

  • • E-fiberglass braided, silicone coated
  • • For large diameter tubes and complex lines
  • • Flexible wrapping solution
  • • High dielectric strength
High Silica Sleeve

High Silica Sleeve

  • • 96% pure SiO2 silica fiber
  • • Health-conscious alternative to asbestos
  • • Excellent high-temp insulation
  • • Resists thermal shock
Fire Blanket

Fire Blanket

  • • Silicone-coated fiberglass insulation
  • • Flame, heat, and weld spatter protection
  • • Reusable and durable
  • • Emergency and industrial use
Basalt Sleeve

Basalt Sleeve

  • • Texturized basalt yarns for superior insulation
  • • Traps air for enhanced thermal protection
  • • Anti-aging and high-temperature resistant
  • • Eco-friendly material
Basalt Fiber Tape

Basalt Fiber Tape

  • • Made from natural basalt fiber
  • • High tensile strength
  • • Resists aging and extreme heat
  • • Non-combustible and chemical resistant
Fiberglass Tape

Fiberglass Tape

  • • Type E fiberglass, non-burning
  • • Withstands 1100°F (593°C) continuously
  • • High dielectric strength
  • • Used in electrical and thermal insulation

Why Choose GWH Fire Sleeves?

1650°C

Maximum ambient heat resistance

-200°C

Low-temperature protection capability

ISO & UL

Certified quality and safety standards

SGS

Environmentally safe materials

Global

Exported to 20+ countries

Custom

Available in custom sizes and specs

Frequently Asked Questions

What temperature range do your fire sleeves handle?

Our sleeves withstand temperatures from -200°C to 1650°C, depending on the model. The standard fire sleeve handles up to 560°C direct flame and 1650°C ambient heat.

Are your products environmentally safe?

Yes, all our materials are SGS certified for environmental safety and are a health-conscious alternative to asbestos.

Can I get custom-sized fire sleeves?

Yes, we offer customized fire sleeves in various diameters, lengths, and configurations including Velcro and tape versions.

Do you ship internationally?

Yes, we export to over 20 countries including the USA, Europe, Japan, South Korea, and the Middle East.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team. We're ready to assist with your high-temperature protection needs.

Contact Information

Visit Official Website to Contact

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