|Johnson & Allen Ltd
Tel: +44 0114 273 8066
Fax: +44 0114 272 9842
Manufacturer of non-destructive testing and inspection system, consumables and accessories. Johnson and Allen
aerosols magnetic inks, dye penetrants and surface cleaners for use with their equipment. The main field of
application is Magnetic Particle Inspection (MPI) and Dye Penetrant Inspection (DPI). These processes are used to
locate cracks within safety critical structures and components.