Use restrictions, high specific weight, burns easily creating toxic formaldehyde vapours.

Aldehyde formic, colorless and irritant gas, used in solution as disinfectant and in organic synthesis.

Low-temperature steam and formaldehyde: Effective for instruments with cavities or tubular openings.

The invention is especially useful for melamine-formaldehyde resin dispersions useful to detackify paint.

The hydrophobic material coating may comprise an organosilicon, e.g. a silane, or a siloxane, or a melamine aldehyde, e.g. melamine formaldehyde.

facility for embedding in formaldehyde