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China military bastions sizes are divided into 13 mil types from mil1 to mil12, hesco mil types are the typical military barrier. The original usage of hesco barrier units of all sizes is to create defence walls and security fences. Mostly they are used around military camps to build military watchtowers, checkpoints, gurd posts, hospitals, storages,and key public buildings.
Galfan coated hesco barrier is a aggregate which contains many gabion baskets, it is usually used as a temporary or semi-permanent dike for flood prevention. The hesco barrier system is constituted by welded mesh frame outside and heavy duty non-woven polypropylene. The steel wire material of welded mesh frame is galfan coated steel wire or zinc-aluminum coated steel wire. Th zinc coating layer could be over 250g/m2, so its anti-rust and anti-erosion property is very high, that is a best choice to use the galfan coated hesco barriers to prevent flood.