Plaster boards are made from gypsum powder of high natrul purity,they are light weight ,enviromental-protective.good for human SPECIFICATIONGypsum board, Ceiling ... : gypsumb).for wall partition and ceiling suspensionc).four types of plaster board are available: regular, fire-resistace, moisture-resistace and water-resistace ... , America ,Europe and Asia, so many countries in the world. plaster board