A folding hoop that allocate more structure around the surface of the drum body. These techniques
add strength to the surface of Metal sheet in theory.
Main Application
The 160L Tight Head: Internal Plain (Coating free) is mainly used to contain Bitumen. For better protection of product inside, this drum is built with corrugate Hoopstyle. Moreover, it has 6 inches hole in the middle that is easy to convey the chemicals out.