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rock wool Definition

rock wool

noun

a fibrous material that looks like spun glass, made from molten rock or slag by passing a blast of steam through the fluid; mineral wool: it is used for insulation, esp. in buildings

rock wool Usage Examples

Modifies a noun

insulation: UPVC double glazing, gas central heating and rock wool insulation make this a very warm and economical home to heat.

Noun used with modifier

mineral: Rocksil Slabs A range of semi-rigid to rigid non-combustible rock mineral wool slabs, bonded with a high performance binder.