Inorganic material made into matted fibre used especially for insulation or soundproofing.
矿毛绝缘纤维，石纤维
Example sentencesExamples
Loose-fill insulation, usually made of fiber glass, rock wool or cellulose, is blown into the attic or walls.
The European company produces a mineral wool insulation containing equal amounts of rock wool and slag wool.
Pack gaps around an insulated chimney with unfaced rock wool or unfaced fiber glass insulation.
Pipes for kitchen stoves, wood stoves, and furnaces should only be insulated with fiberglass or rock wool because cellulose may smolder if flue temperatures become hot enough.
You can compensate for this stacking effect and achieve the desired total R-value by adding about one extra inch of insulation if the old insulation is fiber glass, or about ½ inch if the old insulation is rock wool or cellulose.
Definition of rock wool in US English:
rock wool
nounˈräk ˌwo͝ol
trademark in UK
Inorganic material made into matted fiber used especially for insulation or soundproofing.
矿毛绝缘纤维，石纤维
Example sentencesExamples
Loose-fill insulation, usually made of fiber glass, rock wool or cellulose, is blown into the attic or walls.
Pack gaps around an insulated chimney with unfaced rock wool or unfaced fiber glass insulation.
Pipes for kitchen stoves, wood stoves, and furnaces should only be insulated with fiberglass or rock wool because cellulose may smolder if flue temperatures become hot enough.
You can compensate for this stacking effect and achieve the desired total R-value by adding about one extra inch of insulation if the old insulation is fiber glass, or about ½ inch if the old insulation is rock wool or cellulose.
The European company produces a mineral wool insulation containing equal amounts of rock wool and slag wool.