World leaders in specialist chemicals, sealants and surface coatings

The Company

The Group’s main trading activities involve the manufacture and application of specialist industrial chemicals, surface treatments and the manufacture of associated process plant and equipment.

Surface Coatings


Surface Technology, together with sister company SIFCO ASC, form the specialist Surface Coatings Group of Norman Hay plc. The products, services and resources of Surface Technology and SIFCO ASC provide one integrated surface treatment solution for OEMs and their supply-chains across a wide range of manufacturing industries in the US, Europe, Asia and Australia. These coatings are designed to protect, enhance and optimise the performance of critical components and equipment used in a wide range of industrial applications.






Ultraseal is the market leader in the supply of thermo-cure methacrylate sealants as a solution to the universal problem of porosity in castings, powdered metal components and electronic components.

We supply globally approved recyclable and non-recycling sealants along with process equipment to leading automotive engine and powertrain manufacturers.

Process Plant & Equipment


NHE designs, manufactures, installs, services and maintains turnkey process plant.

NHE surface finishing, non destructive testing and wastewater treatment plant can be found in over 20 countries and four continents.