Glass wool pipe is a widely used thermal insulation product for industrial and HVAC piping systems. According to Wikipedia, glass wool is made from fine glass fibres and provides excellent thermal and acoustic performance.

Importing glass wool pipe from China can save significant costs — but only if you avoid the common pitfalls. At EcoIn, we have helped hundreds of international buyers receive correct, high-quality glass wool pipe on time.

5 Common Problems When Importing Glass Wool Pipe from China

1. Wrong Size or Specification

Many buyers specify the outer diameter of the pipe but forget to account for the inner diameter or the wall thickness of the glass wool pipe section. Always provide both the pipe OD and the required insulation thickness.

2. Poor Density and Low R-Value

Glass wool pipe insulation is available in densities from 10 kg/m³ to 96 kg/m³. Low-density glass wool pipe may not meet the thermal resistance (R-value) required by local building codes. Request a material certificate with density confirmation before shipment.

3. Moisture Damage During Transit

Glass wool pipe is hygroscopic and must be sealed in waterproof packaging. Containers that experience condensation or sea water ingress can ruin an entire shipment. Confirm that your supplier uses standard export plastic packing with moisture barriers.

4. Inaccurate Lead Times

Production schedules in China vary significantly depending on the order volume and season. Always confirm the factory production capacity and get a written delivery schedule. EcoIn typically delivers within 7–15 days for standard glass wool pipe sizes.

5. Missing Certifications

Some markets require glass wool pipe insulation to comply with ASTM C547, EN 13565, or local fire safety standards. Verify that your supplier holds the relevant certifications before placing an order. See our glass wool product page for full certification details.

 

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Hi My Friend!

Have you ever bothered by below problems…

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Now, EcoIn Will Provide You Full Solutoin!

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material SuppliersChina Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Standard Sizes

Diameter Thickness(mm)
mm 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 1/4 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 • • • • •

 

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

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

EcoIn Fiberglass wool Insulation has below 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

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material SuppliersChina Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Fiber Glass Wool Roll                                        Fiberglass Wool Panel

 

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Mineral Rockwool Board                            Aluminum Jacketing System

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Ecoin glass wool pipe can be used as thermal insulation and sound proof material for:

1. Fishing pole

2. Muffler

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

 

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

1. Packing Details: Standard export plastic packing,

2. Delivery time: It’s depends on your quantity. Normally we can delivery within 7 days.

 

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Tianjin EcoIn Tech Co.,Ltd

 

Tianjin EcoIn Tech Co.,Ltd is a company specialized in new tech insulation material manufacturing and export. Our aim is to provide Grade A non combustible Eco-Insulation, friendly to environment and human body, and affordable for clients.

 

EcoIn factory was set up in 1995, with the register fund of 15 million USD. We are now one of the biggest insulation factory in North of China, with the main products of fiberglass insulation, mineral rockwool insulation and aluminum jacketing system.

Low bio-resistance mineral wool is under developing, and hopefully to be exported next year.

 

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

China Tianjin Duct Wrap heat insulation glasswool glass wool pipe price, HVAC glass wool insulation Material Suppliers

Click to Download: EcoIn Glass wool Pipe catalog