Epoxy resins that can be placed underwater must be applied in accordance with the data sheets. Underwater applications can be tricky and should be carried out with care.
Lokfix is a range of epoxy resin anchor grouts that can be placed underwater if necessary.
Nitomortar UA is a high strength adhesive and repair mortar that can be used underwater. This two-part epoxy resin mortar is a putty-type material that can be used to repair submerged concrete and steel structures, sea walls, jetties, etc. it can be used effectively on structures that are pummeled by the sea.
For cenment grouts that can be used underwater click here