Last Updated: 2026-03-27 01:53:16
rock wool pipe

Rock Wool Pipe

Density:80kg/m³, 100kg/m³, 120kg/m³, 150kg/m³
Inner Diameter:DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200
Thickness:30mm, 40mm, 50mm, 60mm, 80mm, 100mm
Length:914mm, 1000mm
Fire Rating:Class A non-combustible

High Density Thermal Insulation Pipe Section for Pipeline

Rock Wool Pipe is a professional cylindrical insulation material specifically designed for thermal insulation of various pipeline systems. Manufactured from high-quality basalt through advanced high-temperature melting and specialized pipe forming processes, our rock wool pipe delivers exceptional performance characteristics including high density, superior roundness, outstanding high-temperature resistance, and excellent thermal insulation properties.

The manufacturing process begins with premium basalt rock and recycled slag, melted at approximately 1,600°C and spun into fine fibers. These fibers are then formed into cylindrical pipe sections using precision molds, ensuring consistent wall thickness, perfect roundness, and a snug fit around pipes of all diameters. This specialized rock wool pipe forming process results in a product that maintains its shape during handling and installation, providing reliable thermal performance throughout its service life.

Rock wool pipe is widely used across industrial and commercial sectors for steam pipes, hot oil pipes, water pipes, and various industrial pipeline insulation applications. By significantly reducing heat loss and maintaining consistent process temperatures, rock wool pipe helps facilities lower energy consumption, protect personnel from hot surfaces, and ensure safe, efficient pipeline operation.

Key Features

  • Professional pipe shape, perfect fit for various pipelines
  • High density and good mechanical strength, not easy to break
  • Excellent high temperature resistance, stable performance
  • Class A non-combustible, safe for high temperature pipeline
  • Good thermal insulation effect, reduce energy consumption
  • Hydrophobic, waterproof, anti-corrosion and long service life
  • Easy to install and fix
Item Parameter Details
Density 80kg/m³, 100kg/m³, 120kg/m³, 150kg/m³
Thickness 30mm, 40mm, 50mm, 60mm, 80mm, 100mm
Inner Diameter DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300
Length 914mm, 1000mm
Surface Treatment Plain (unfaced), Aluminum foil facing
Fire Rating Class A non-combustible
Thermal Conductivity ≤0.040 W/(m·K) (25℃)
Hydrophobic Rate ≥99%
Certifications CE, EN13162, SGS, ISO9001

Main Performance and Technical Indicators

Performance MB 40 MB 50 MB60 MB 80 MB100 MB120 Unit Standard
Thermal conductivity

( 25 ℃)

≤0. 037 W/(m •K) GB/T 10295
Combustion performance A1 GB 8624
Melting Temperature ≥1000 —-
Surface Burning Properties Smoke Spread < 25 , Flame Spread < 25 ASTM E84
Acidity coefficient ≥1.8 GB/T 5480
Hydrophobicity ≥99 GB/T 10299
Mass moisture absorption rate ≤0.5 GB/T 5480
Short-term water absorption (partial immersion, 24h) ≤0.2 kg/m² GB/T 30805
Dimensional stability ≤0.5 GB/T 30806
Corrosive no corrosion ASTM C665
Formaldehyde emission ≤0.5 mg/(kg•h) GB/T 32379
Noise Reduction Coefficient ≥0.80 GB/T 18696

Surface Options

Everinsulation offers rock wool pipe in two standard facing configurations, with additional custom facing options available upon request.

Plain Rock Wool Pipe (Unfaced)

The plain rock wool pipe features an unfaced surface suitable for standard internal insulation applications where the insulation layer will be enclosed or covered. This version provides excellent thermal and acoustic performance in its simplest form and is ideal for:

  • Indoor pipeline systems

  • Concealed installations

  • Multi-layer insulation systems

  • Applications where additional facing is not required

Aluminum Foil Faced Rock Wool Pipe

The aluminum foil faced rock wool pipe incorporates a reflective aluminum foil layer bonded to the outer surface of the pipe section. This facing provides additional performance benefits:

  • Waterproof protection – Acts as a moisture barrier, preventing water ingress

  • Heat reflection – Reflective surface improves thermal performance by reducing radiant heat transfer

  • Enhanced insulation effect – Combined thermal and vapor barrier properties extend service life

  • Clean appearance – Smooth, finished surface suitable for exposed installations

This version is ideal for:

  • Outdoor pipeline systems

  • High-humidity environments

  • HVAC chilled and hot water piping

  • Applications requiring vapor barrier protection

  • Visible installations requiring finished appearance

Custom Facing Options

Everinsulation also offers custom facing solutions for rock wool pipe including:

  • Fiberglass cloth facing – For mechanical protection

  • Stainless steel mesh facing – For heavy-duty industrial applications

  • Custom laminate facings – Tailored to specific project requirements

Main Applications

Rock wool pipe is a versatile insulation solution suitable for a wide range of pipeline applications across multiple industries.

1. Steam Pipeline Insulation

Steam lines in power plants, industrial facilities, district heating networks, and manufacturing plants operate at high temperatures and pressures. Rock wool pipe provides reliable thermal insulation that maintains steam temperature, reduces heat loss, and protects personnel from burn hazards.

2. Hot Oil Pipeline Insulation

Thermal oil systems used in chemical processing, food manufacturing, and industrial heating applications require consistent temperature maintenance. Rock wool pipe insulation minimizes heat loss along hot oil transfer lines, ensuring process stability and energy efficiency.

3. Boiler Connecting Pipeline

Boiler feed lines, steam headers, and connecting pipes between boilers and distribution systems benefit from rock wool pipe insulation. The material’s high-temperature resistance and thermal efficiency make it ideal for these critical connections.

4. HVAC Pipeline System

Heating, ventilation, and air conditioning systems use rock wool pipe to insulate both hot water distribution lines and chilled water supply lines. Aluminum foil faced options provide necessary vapor barrier protection for cold lines, preventing condensation and maintaining system efficiency.

5. Chemical and Power Plant Pipeline

Chemical processing facilities and power generation plants contain extensive piping networks handling high-temperature fluids, gases, and steam. Rock wool pipe insulation provides the thermal performance, fire safety, and chemical stability required for these demanding environments.

6. Industrial Process Piping

Manufacturing facilities across industries including automotive, pharmaceutical, food processing, and paper production rely on rock wool pipe for insulating process piping that carries heated materials, steam, or thermal fluids.

7. District Heating and Cooling Networks

Municipal district energy systems distribute thermal energy through extensive underground piping networks. Rock wool pipe sections provide reliable insulation for these critical infrastructure applications, often combined with external jacketing for underground installation.

8. Marine and Offshore Piping

Engine rooms, boiler rooms, and piping systems on ships, offshore platforms, and marine vessels require insulation that withstands vibration, humidity, and high temperatures. Rock wool pipe meets these demanding requirements with marine-grade options available.

Our Advantages

Choosing Everinsulation as your rock wool pipe supplier provides distinct advantages for your project or procurement needs.

Complete Specifications and Full Range of Sizes

Everinsulation offers rock wool pipe in a comprehensive range of diameters from 1/2″ to 36″ (DN15 to DN900), with multiple wall thickness options to meet varying thermal requirements. Custom sizes are available for specialized applications.

Stable Quality and Strict Factory Inspection

Every batch of rock wool pipe undergoes rigorous quality control testing, including dimensional inspection, thermal conductivity testing, fire rating verification, and mechanical strength evaluation. Consistent manufacturing processes ensure reliable performance across all shipments.

Standard Export Packaging

Everinsulation rock wool pipe is compression-packed, poly-wrapped, and palletized for safe long-distance shipping. Our packaging is designed to protect product integrity during transit and storage, ensuring that materials arrive at your facility in optimal condition.

Complete Certificates and Full Documentation

Every shipment of rock wool pipe includes comprehensive documentation:

  • Technical data sheets

  • Test reports from accredited laboratories

  • Certificates of conformity (CE, ASTM, etc.)

  • Safety data sheets

  • Commercial invoices and packing lists

  • Certificates of origin

Fast Delivery and Professional Service

With efficient production capacity and export logistics expertise, Everinsulation ensures timely delivery for projects of all sizes. Our dedicated customer service team provides responsive support throughout the procurement process, from initial inquiry to post-delivery assistance.

Get a Free Quote Now

Whether you are insulating steam pipelines, hot oil systems, boiler connections, or HVAC piping, Everinsulation has the right rock wool pipe solution for your project.

Tell us your requirements:

  • Required inner diameter (pipe size)

  • Insulation thickness

  • Density preference

  • Facing type (plain, aluminum foil, or custom)

  • Quantity

Our team will respond within 24 hours with a competitive price and a professional pipeline insulation solution tailored to your specific needs.

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