Centrifugal Casting
Centrifugal Casting is used for making cylindrical, hollow shapes such equally tanks, pipes together with poles. Chopped strand mat is placed into a hollow, cylindrical mold, or continuous roving is chopped together with directed onto the within walls of the mold. Resin is applied to the within of the rotating mold. Sumber http://allengineering-info.blogspot.com/