Glass Wool Pipe Insulation

Quick Details:

  • Package: Plastic packing or Carton Packing
  • Density: 64-80kg
  • Thickness: 25-100mm
  • Delivery time: 7-10 days
  • Payment terms: TT, LC, Westunion, Trade Assurance

glass wool pipe insulation HVAC pipe lagging

Glass wool pipe is the best product to reach required insulation demand, due to it’s tightly fit on the pipe, which can reduce largely reduce thermal bridge.

Uncoated or aluminum foil coated glass wool pipes with high unit weight are available.

See this article to get more information on how to identify the quality of glass wool pipe.

How to identify the quality of a glass wool pipe

Packing &Loading

glass wool pipe insulation packing and export

Standard Sizes

Diameter Thickness(mm)
DN inch mm 25 30 40 50 60 70 80 90 100 120 150
15 1/2 22 ● ● ● ●
20 3/4 27 ● ● ● ● ● ● ●
25 1 34 ● ● ● ● ● ● ●
32 1 1/4 43 ● ● ● ● ● ● ● ●
40 1 1/2 48 ● ● ● ● ● ● ● ●
50 2 60 ● ● ● ● ● ● ● ●
65 2 1/2 76 ● ● ● ● ● ● ● ●
80 3 89 ● ● ● ● ● ● ● ●
90 3 1/2 108 ● ● ● ● ● ● ● ●
100 4 114 ● ● ● ● ● ● ● ● ●
125 5 140 ● ● ● ● ● ● ● ● ● ●
150 6 169 ● ● ● ● ● ● ● ● ● ●
200 8 219 ● ● ● ● ● ● ● ● ●
250 10 273 ● ● ● ● ● ● ● ● ●
300 12 325 ● ● ● ● ● ● ● ● ●
350 14 356 ● ● ● ● ● ● ● ●
375 15 381 ● ● ● ● ● ● ● ●
400 16 406 ● ● ● ● ● ● ● ●
450 18 456 ● ● ● ● ● ● ● ●
475 19 483 ● ● ● ● ● ●
500 20 508 ● ● ● ● ● ●
550 22 558 ● ● ● ● ●
600 24 610 ● ● ● ● ●

Remarks: Other sizes available upon request.

Technical Parameters

Propertities Value Unit Standard
Bulk Density Tolerence ±10 %

GB/T 5480.3
Fiber Diameter 5-8 μm GB/T 5480.4
Water content ≤1 % GB/T 16400-2003
Combustion Performance Non-combustible

Reation to fire-Class A1

 – GB 8624-2012
Thermal Conductivity (Average Temp 20℃) 0.034-0.062 W/mk GB/T 10294
Moisture Absorption ≤5 % by Vol GB/T 5480.7
Hydrophobicity ≥98 % GB/T 10299
Sound absorption coefficient 2000HZ (1.03 product reverberation method 24kg/m3 ) HZ GBJ47-83
Slag inclusion content ≤0.3 % GB/T 5480.5

Glass Wool Pipe Insulation – Key Features

  • Factory slip and easy to install
  • High coefficient of acoustic absorption and low coefficient of heat conductivity
  • Waterproof and anti-corrosion
  • Not mildew and no warms, can effectively prevent condensation and pipes freeze
  • Light weight, Flexible and easy to be transported and installed
  • No need maintanence
  • Long duration period and not aging
  • Affordable cost

Glass wool pipe insulation is used for heat insulation of industrial pipes, central heating, solar heating installations, insulation against freezing or swelling of pipes and also against vibration and sicet in pressurized water pipes.

It is suitable for thermal and acoustic insulation. Pipe sections can be applied in one operation without addition, significantly reducing heat bridges with high compression resistance and negative effect on insulation.

Typical usage:

  • Domestic Hot & Cold Water Pipes

  • Chiller Pipe Insulation,Steam Pipes (Low to High Pressure)

  • All kinds of steel pipes, PVC pipes, steam pipes.

    Application Gallery

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    Type Name Size Date Down Load
    PDF EcoIn glass wool pipe Catalog 1.19MB 2017-10-20 Click to Download

    Glass Wool Pipe Insulation: FAQ

    Glass wool pipe insulation from EcoIn is manufactured to ASTM C547 and EN 13162 standards, providing reliable thermal and acoustic protection for industrial and HVAC pipework. Learn more about glass wool blanket and related insulation products. See also the Wikipedia article on glass wool for background on the material.

    glass wool pipe insulation ASTM certified product

    What is glass wool pipe insulation used for?

    Glass wool pipe insulation is used for thermal and acoustic insulation of industrial pipework, central heating systems, HVAC ductwork, solar heating installations, and chilled water pipes. It prevents heat loss, reduces condensation, and suppresses pipe vibration noise. EcoIn glass wool pipe insulation fits tightly around pipes of all standard diameters without gaps, eliminating thermal bridges.

    EcoIn supplies glass wool pipe insulation at densities from 64 to 80 kg/m³ and thicknesses from 25 to 100 mm. Higher density grades provide greater acoustic absorption and mechanical strength. Custom dimensions and inner bore diameters are available on request to suit specific pipework applications. Choose the right glass wool pipe insulation grade for your project with guidance from EcoIn.

    Yes. EcoIn glass wool pipe insulation is available uncoated or with an aluminum foil facing. The foil facing acts as a vapour barrier, protects the insulation from moisture ingress, and gives a neat finished appearance on exposed pipework. Both options are supplied in standard pre-slit half-shell or full-shell sections for quick field installation. EcoIn glass wool pipe insulation with foil facing suits exposed and high-humidity environments.

    EcoIn glass wool pipe insulation achieves a Class A1 non-combustible classification under EN 13501-1, making it suitable for high-temperature industrial pipework and fire-rated building installations. Products are tested to GB/T 5480 and ASTM C547 standards to confirm thermal performance and dimensional accuracy. EcoIn glass wool pipe insulation meets fire-rated mechanical system requirements.

    Glass wool pipe insulation from EcoIn is packed in polyethylene film and carton boxes to protect against moisture and transit damage. Standard lead time is 7–10 days for stock sizes. Payment is accepted by TT or LC. Contact our team for a quotation with freight options to your port. We supply glass wool pipe insulation with full MSDS and mill certificates worldwide.

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