Mineral wool is made up from fine minerals, basically extracted from rare earth sediments as rock, which are then processed and extruded as thin fibers. The mineral wool is thin tensile fibers which are shredded into pieces and spinned into loose fibers.
The mineral fibers basically possess a tendency of least prone to thermal conduction. The non-conducting nature of these fibers, offers extended thermal insulation. The inherent property of these fibers are basically provides strong retardant for atomic movement / collision, there by offers barrier to thermal conduction. When these fibers are exposed to the heat / fire, possesses inflammable characteristics. These are bio de gradable and possess thermal conductivity as low as 0.028 W/mK.
Process Involved:
The rare earth sediments ( basically rock nature) are extracted from mines and are then cleaned and fed into a furnace, where it Is heated under high temperature, thereby converted molten form. This molted matter is then fed into rotary unit which are rotating at a very high RPM, supported by a spindle at the center. As a result, thin fibers get collected over the spindle. These fibers are spinned into many layers, typically outcomes as loose wool. This loose wool are then collected from the unit and packed in marketable standard and dispatched for shipping.
As the wool basically possess thermal insulation characteristics, it is applied where ever heat is used as a primary source of process, to avoid / reduce heat loss. Industries like Textile, Food Processing, Leather Tanning, Fabric Dyeing Units, Cement Plants, Refineries etc., etc.., used heat / steam as the primary source of energy. A huge amount of fuel tis burnt on day to day basic’s for producing heat / steam and the associated costs as well. The wool typically retards heat transfer, thereby reducing heat loss and fuel saving. Further the reduction is temperature offers a workman safety to operate the machinery / equipment’s.
The fiber also possesses acoustic insulation characteristics, by arresting the medium. It also finds its application in acoustic insulation for Generators, Heavy machineries, Equipment room. Further these materials are used as a raw material for manufacturing thermal sleeves.
Bureau of Indian Standards (BIS) has framed out specifications and standard to the product under the section IS 8183. Testing methods also have been framed pointing out the density, thermal conductivity test, moisture absorption, fiber length and thickness. The appearances of these fibers are light grey in color. Further these fibers also possess tensile strength and the shot content.
Life of these fibers is interrelated with the usage hours and intensity of use. Typically operational hours range from 6000 hours to 12000 hours based on the application and maintenance. Do consult with a local dealer to get more details and selection of product based on application.
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