FSK Faced Glass Wool Blanket For Heat Insulation

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Production Description

Glass wool blanket is in flexible form for ease of installation over large areas. Both products are available to order with a wide range of density and thickness, and with various types of facing applied.

Standard Size






10 - 48











Other sizes available upon request  Facing materials can be applied upon request

Technical Data




Average Fiber Diameter



Water Content



Grade of Combustibility

Non-Combustible Grade A

Thermal Conductivity

( 25℃)


0.038- 0.045

Reshrinking Temp





Moisture Rate



Noise Resistant Coefficient (NRC)


Slag Inclusion Content




Glass Wool are widely used in public, commercial and residential buildings as well as industrial plants, for applications such as roofing, external wall, partition wall and floating floor to provide fire protection, thermal insulation, acoustic control and condensation control.

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Q:Why is glass wool board used in portable house on the construction site?
Low cost
Q:What is the thermal insulation material of glass wool?
It is a cotton-like material which has advantages of low thermal conductivity, chemical stability, good sound absorption. The glass wool is an inorganic fiber which has a excellent welding performance. Glass wool which is a man-made inorganic fiber fiberizes melten glass, it is a insulation material that has advantages of corrosion resistance, thermal insulation and small bulk density. I tell you that it belongs to glass in terms of chemical composition: The thermal insulation material, glass wool belongs to glass fiber.
Q:To reach better sound absorption effect, which should be filled in the keel, glass wool felt / board or polyester fiber cotton felt / board ?
Both materials are inappropriate to used for noise insulation, for glass wool and polyester fiber cotton are sound-absorbing materials. Neither is good for sound insulation. They can be used to prevent echo formation in the room, and their function is to reduce the reflection of sound indoors.
Q:Glass wool and pef air conditioning insulation material, which one is better?
So many air-conditioning installation company will choose this new PEF thermal insulation cotton and rubber and plastic thermal insulation material. Generally many companies prefer to use PEF thermal insulation cotton for duct, and rubber and plastic thermal insulation material for water pipes. Productions can be selected according to each person's favor, but we can't only select the cheap products when selecting, and we should choose guaranteed green products.
Q:Does glass wool equals to rock wool?
It mainly used in the thermal insulation of air-conditioning ducts, has coarse fibers. Isover has pink glass wool roll mats. Black soft cotton is rubber and plastic. Rock wool is generally dark and the glass wool is golden.
Q:does the glass wool can be used as building materials?
Yes. there are many applications in the noise reduction, such as steel structure, air-conditioning pipes, elevator shaft. all are still in use. do you have the project in this aspect?
Q:What are the advantages and disadvantages of centrifugal glass wool?
They both have the heat preservation and thermal insulation effects. Except for different materials and prices, their high temperature endurances are different with rock wool of 600 degrees, glass wool of 450 degrees and rubberplastic sponge of 120 degrees, but they are both fire retardant materials. Rock wool and glass wool also have sound insulation and shock insulation effects, while these effects of rubberplastic sponge is worse. Rock wool and glass wool can not be used outside the door.
Q:how to get rid of the fur of the glass wool on the hand?
Stick it out with tape scotch tape, or rinse with water.
Q:How to increase soundproof performance of houses(with glass wool)?
Glass wool is not the best soundproofing products, the best products are rock wool boards, felts.
Q:What are the differences between the glass fiber and glass wool? ?
Glass wool belongs to one of the glass fiber categories, which is a kind of man-made inorganic fiber. The sieve plate can not be replaced by glass fiber, which is a kind of elastic felty body produced by glass fiber whose diameter is only a few microns. Glass wool is a product made by fibering the molten glass and adding environmentally friendly recipe binder which is mainly thermosetting resin, use glass wool

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