As the days goes on, there are many kinds of formwork coming out.such as wood plywood,bamboo plywood,steel/alu frame formwork,pvc formwork etc? Why wood plywood is the most widely used?
Steel/alu frame formwork: the quality of shaped concrete is not better than wood plywood, mainly by lease.
Bamboo plywood: is hard to knock in a nail, especially before electric driller widespread used.
PVC formwork: concrete wall is too smooth. It will be a hard problem when plastering.
In conclusion, wood plywood is still mainstream among the several species of phenolic ply.