Welcome to visit【Zhongyuan Energy-saving Material Co.,Ltd】Official Website!

+86 18361875830
Email: pscrushing@gmail.com

News

Sincerely welcome you to visit, inspect and give guidance to Zhongyuan Energy-saving if you are interested in our products and services.

Industry News

What is Glass Wool?
Release Time:2026-05-15      Click Count:54

The advancing world as it is today, the materials used for insulation are sweepingly trendingin terms of acoustics, heat, etc. These form an enhancing part of comfort in the exteriors,interiors, as well as decor. Glass wool is one such insulating material bearing variedapplications in homes, be it a part of roofs, false ceilings, or drywalls. According to 'JohnWiley & Sons' (Author of Webster's New World College Dictionary), 'Glass wool are finefibers of glass intertwined in a woolly mass, used in filters and as insulation.'

1fad31ad-2098-472a-9152-b81b28f523fb.png

What is Glass Wool?

Glass wool is manufactured from borosilicate glass with significant constituents such assilica sand, recycled glass and fixing agents. Glass wool is an insulating material constitutedwith melted glass as raw material. According to 'Haimei Zhang' (Editor of Building materialsin civil engineering), 'Glass wool is a fibrous material made from the melted glass rawmaterials or cullet. It is available in two categories: loose wool and superfine wool. Theloose yarn is used to make asphalt-bonded glass blanket and glass wool board. Additionally,it is used to preserve heat in the exterior-protected construction and the pipelines.'

Glass wool is created from a thick layer of glass fibers that are cured in an oven at 200°C tobind the strands together and thus reduce the thickness of the sheet. Additionally, it ismelted to 1100°C in an electrical furnace and later conditioned in a gas-fired furnace. It is afurnace product made from molten glass. From this melted glass, fibers are spun. Thisprocess includes rotating the fused glass in a high speed similar to the methodology used inproduction of a candy. In the process of spinning, the binding agent is blended into it. NoCFCs or HCFCs are developed in the production process. The fibers are gathered in a matform in a collection chamber and then transferred to an oven where it is cured undercontrolled conditions to the desired thickness and density. It is tailor-made in rolls or slabs.Likewise, it is also used as a component which is sprayed or applied on the surface to beinsulated. It is a versatile material used for the insulation of walls, roofs, and floors. Duringinstallation, glass wool should be kept dry at all times because an increase in the moisturecontent may lead to a significant rise in thermal conductivity.


ScreenShot_2026-05-15_163021_875.png


Once the production process is at a close, it is wrapped in roll or bat form. It can getcompressed by a factor of up to 10 which saves the storage and reduces transportationcosts. It is ideal to meet the demanding requirements, offering benefits in thermal insulation,fire safety and ease of installation.


Characteristics of Glass Wool

It is fire-resistant till 300°C.

It has excellent tensile strength.

It is used as hollow walls and drywall insulation.

Additionally, it is also used for roof insulation in auditoriums and suspended ceilings.

It prevents heat loss, especially in HVAC ducting systems.

It is an excellent sound insulator and used as acoustic barrier in partitions that prevent soundtransmission.

Why Choose Glass Wool?

25fe80aa-3454-4c1d-8156-64695280e907.png

Its products are non-combustible and positioned for operating temperatures up to 300°C.

It is made up of 80% recyclable materials.

It is lightweight and easy to install.

It does not promote mould growth or vermin infestation.

It possesses no health hazards.

It is non-corrosive to metal.

24b4ac6f-3f84-4d8b-a3df-f517f2b96a21.png


Applications of Glass Wool Insulation

Glass wool applications include structural insulation, pipe insulation, filtration andsoundproofing. These are manufactured to insulate products and applied in multiple areasof buildings. Moreover, Glass wool is the most common source of insulation in ceilings ofresidential buildings, and also has the following applications:

321495d4-0f3b-461f-aa4e-48959ea9b87f.png



News You Are Interested In
Previous:What is the insulation value of glass wool?
Next:No more!

Back to List