Definition of slag wool in English:

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slag wool


[mass noun]
Mineral wool made from blast-furnace slag.
Example sentences
  • Roxul, a European company, produces a mineral wool insulation containing equal amounts of rock wool and slag wool.
  • Most mineral wool made in the United States is actually slag wool.
  • Rock wool or slag wool loose-fill insulation is often used for insulating existing walls and ceilings in mobile homes.

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