What is Gypsum Board? Gypsum board, also known as drywall or plasterboard, is a rigid building material used to form interior walls and ceilings. It consists of a sheet made primarily from gypsum plaster pressed between two thick sheets of paper. Composition and Manufacturing Gypsum Board i

Formic acid, also known as methanoic acid, is a colorless, transparent, and volatile liquid with a pungent, acrid, and stinging odor. It is the simplest carboxylic acid and is also one of the simplest organic acids. The chemical formula of formic acid is HCOOH and it has a molecular weight of 46.02