100 parts of sand, 50 parts of whiting, and 10 of red lead make a moderately hard cement. 100 parts of sand, 25 parts of the plaster of Paris (or the same of marble dust) 10 parts of red lead ...
state-of-the-art Plaster of Paris (P.O.P) and plasterboard manufacturing facility located in Port Harcourt, Nigeria. The new plant is Nigeria’s largest gypsum plaster production facility ...