Materials of thermal insulation with ArabTronix

In this topic, we discuss the most well-known Raw Materials for Hot and Cold Insulation for Factories, Companies, Corporates, Petroleum/gas/electricity stations in Egypt, UAE and Arab Countries with ArabTronix Team:

Mineral Wool
is also known as mineral fibermineral cottonmineral fiberman-made mineral fiber (MMMF).  
There are two types of mineral wool product: glass wool insulation and stone wool insulation.

How Mineral wool was manufactured?
The process involved blowing a strong stream of air across a 
falling flow of liquid iron slag.

High-temperature mineral  wool
High-temperature mineral wool is a type of mineral wool created for use as high-temperature insulation and generally defined as being resistant to temperatures above 1,000 °C.
This type of insulation is usually used in industrial furnaces and foundries. Because high-temperature mineral wool is costly to produce and has limited availability, it is almost exclusively used in high-temperature industrial applications and processes ,It is also used to prevent the spread of fire.

What’s the Difference: Fiberglass vs. Mineral Wool Insulation?

·       R-Value: The thermal resistance of insulation is measured by what’s commonly known as the R-value, and the higher the R-value, the better. Fiberglass has an R-value of approximately 2.2 to 2.7 per inch of thickness. Mineral wool has a slightly higher R-value, ranging between 3.0 and 3.3 per inch.
·       Size: Fiberglass insulation is available in a wider range of sizes and types than mineral wool. Mineral wool insulation is typically only available in unfaced batts.
·       Sustainability: Mineral wool is composed of 70 percent or more recycled content. Fiberglass insulation typically contains 20 to 30 percent recycled content.
·       Cost: Fiberglass insulation costs 25 to 50 percent less than mineral wool.
·       Density:  Mineral wool insulation has superior sound-deadening properties. It has a density of 1.7 pounds per cubic foot, as compared to 0.5 to 1.0 for fiberglass. Because of its density, mineral wool is hard to compress. Fiberglass, on the other hand, will lose some of its insulating value if it’s compressed too tightly.
·       Weight: Fiberglass is lightweight and easy to carry, but the batts are rather limp and can be challenging to set into place. Mineral wool is heavier than fiberglass, but the batts are also stiffer, so they don’t bend or flop over as easily.
·       Water Resistance: Mineral wool insulation is hydrophobic, meaning it’s highly resistant to moisture and water. Since it doesn’t absorb moisture, mineral wool doesn’t promote rot, corrosion, fungi, mold, mildew or bacterial growth. If fiberglass insulation gets wet, it becomes soggy, and its insulating value drops significantly.
·       Loose-Fill: Loose-fill fiberglass insulation provides a quick, easy and economical way to insulate attic floors and wall cavities. Loose-fill mineral wool does exist, but it’s difficult to find.
·       Installation: Mineral wool comes in dense, firm batts that are friction-fit into place; no stapling required. Fiberglass batts must be secured with staples or wire. To cut fiberglass insulation, compress it flat with a board or metal straightedge, then slice it with a utility knife. Use a serrated bread knife or woodcutting handsaw to cut mineral wool insulation. It’s recommended that you wear a dust mask when cutting and handling any type of insulation, including fiberglass and mineral wool.
  Fire Resistance: Mineral wool is extremely fire resistant and can be used as a fire stop. Fiberglass insulation is noncombustible, but not nearly as fire resistant as mineral wool.

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