mineral wool

Thân thiện

Mineral wool is installed in the attic to keep the house warm.

Definition

Noun: A manufactured, lightweight, fibrous material primarily composed of molten rock or slag that is spun into fine strands. It is used extensively as thermal insulation, acoustic insulation, and as a fire-resistant material in construction and industrial applications.

Usage

"Mineral wool" is a non-count noun. It refers to the insulating material as a bulk substance, not to individual pieces. * Common collocations include: install mineral wool, a layer of mineral wool, mineral wool insulation, mineral wool batts (pre-formed sections), mineral wool board.

Examples

• The builders filled the cavity wall with mineral wool to improve the house's energy efficiency.
• Mineral wool is often preferred in attics because it does not burn.
• For effective soundproofing, a thick layer of mineral wool was placed between the studio walls.

Advanced Usage

• Technical Specification: In technical contexts, "mineral wool" is often specified by its type (e.g., stone wool, slag wool) or its performance ratings (R-value for thermal resistance, NRC for sound absorption).
• Passive Fire Protection: It is a critical component in firestop systems and for insulating structural steel to meet fire resistance ratings.

Variants and Related Words

• Rockwool / Stone wool (n): A specific type of mineral wool made from volcanic rock (basalt). Often used as a brand name that has become generic.
• Slag wool (n): A type of mineral wool made from the slag waste of blast furnaces.
• Glass wool (n): A similar fibrous insulation material made from molten glass. While sometimes grouped informally with mineral wool, it is a distinct product.
• Fiberglass (n): The common term for glass wool, especially in North American English.

Synonyms

• Insulating wool (n)
• Fiber insulation (n)

Học thuật

Noun

1. a light fibrous material used as an insulator

Từ đồng nghĩa

• rock wool