Mineral wool

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Mineral wool


A fibrous silicate material. Mineral wool was first obtained as natural fibers produced from volcanic craters, called Pele's hair. Synthetic mineral wool, called slag wool or rock wool, are produced by blowing air or steam through molten rock or slag. Mineral wool is used as fillers in thermal insulation and fireproofing materials.

See also Mineral fiber.

Synonyms and Related Terms

mineral cotton; mineral wool; rock wool; rockwool; slag wool; stone wool. silicate cotton; silicate fiber; Pele's hair;fibra de vidrio, lana de vidrio(Esp.)

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 513