The surface area of what we are casting is 6M long by 2.5M High by 80mm thick.
The mould is fully demountable, it opens out like a door.
The concrete is getting stuck generally, not just at the corners.
We have tried various different formwork oils.
Sometimes it releases off the metal form...
I'm looking for some kind of paint or sealant to spray or apply onto the steel mould, this would need to be very durable as in the manufacturing process the steel gets vibrated. At the moment the concrete is sticking to the surface, which is why I need to apply some sort of durable finish onto...
