Board, Building
Board, Building : Wide range of sheets or boards of varying sizes and thicknesses. Split roughly into six groups. a) Asbestos boards. i) asbestos cement sheets - 12-15%, asbestos, the remainder cement. The sheet shatters early on in fire. ii) asbestos insulating boards - 80% asbestos, the remainder being lime-silica bonding material. Has good fire properties
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