Materials & Hazardous Substances

Man-Made Mineral Fibers (MMMF)

Industrially manufactured fiber materials such as glass wool, rock wool, and slag wool, used as insulation and requiring special disposal measures.

Man-made mineral fibers include glass wool, rock wool, and slag wool used as insulation. Products installed before 1996 may release carcinogenic fibers and must be disposed of as hazardous waste. Safe removal follows TRGS 521 guidelines with appropriate protective equipment.

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