Ideal to preserve the item seal occluding the superficial micro-porosity.
The performance is obtained by a salts basic hydrolysis (such as silicates) under a controlled pressure.
Applicable on all kind of castings in particular on aluminium, bronze and pig-iron whose maximum dimension should be 0,5 meters.
The impregnation autoclave is equipped with an alkaline silicate bath kept under control through the time, concentration and pressure (3-5 atm).
It is suggested to treat the whole typology of castings such as bronze castings, pig-iron castings and aluminium castings.
The item dimensions should be 0,5 meters at the most.